abundancy index

名词 n.

英文释义

名词 n.
  1. 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.

词形变化

abundance indices plural abundancy indexes plural
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