abundancy index

noun

The divisor function of an integer divided by the integer.

“The abundancy index of 20 is 2.1 because 1 + 2 + 4 + 5 + 10 + 20 = 42 and 42/20 = 2.1.”

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Meanings

nounabundancy index (plural abundance indices or abundancy indexes)

plural abundance indices · plural abundancy indexes

  1. mathematicsThe divisor function of an integer divided by the integer.

    The abundancy index of 20 is 2.1 because 1 + 2 + 4 + 5 + 10 + 20 = 42 and 42/20 = 2.1.

Cite this entry
APA

abundancy index. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/abundancy%20index

MLA

“abundancy index.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/abundancy%20index. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “abundancy index,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/abundancy%20index.

Source: abundancy index on Wiktionary, CC BY-SA 4.0.