20698744

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21383}}^1$

素因数の和:21411

約数の個数: 24

約数和(自身を含む): 42661080

約数和(自身を除く): 21962336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21383, 42766, 85532, 171064, 235213, 470426, 940852, 1881704, 2587343, 5174686, 10349372, 20698744]

約数ペア:

[(1, 20698744), (2, 10349372), (4, 5174686), (8, 2587343), (11, 1881704), (22, 940852), (44, 470426), (88, 235213), (121, 171064), (242, 85532), (484, 42766), (968, 21383)]