20564848

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24251}}^1$

素因数の和:24312

約数の個数: 20

約数和(自身を含む): 40597848

約数和(自身を除く): 20033000

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24251, 48502, 97004, 194008, 388016, 1285303, 2570606, 5141212, 10282424, 20564848]

約数ペア:

[(1, 20564848), (2, 10282424), (4, 5141212), (8, 2570606), (16, 1285303), (53, 388016), (106, 194008), (212, 97004), (424, 48502), (848, 24251)]