20656108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{469457}}^1$

素因数の和:469472

約数の個数: 12

約数和(自身を含む): 39434472

約数和(自身を除く): 18778364

約数列:

[1, 2, 4, 11, 22, 44, 469457, 938914, 1877828, 5164027, 10328054, 20656108]

約数ペア:

[(1, 20656108), (2, 10328054), (4, 5164027), (11, 1877828), (22, 938914), (44, 469457)]