abundancy index
Jump to navigation
Jump to search
English[edit]
Noun[edit]
abundancy index (plural abundance indices or abundancy indexes)
- (mathematics) 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.