20725894

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16598906

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 719, 994, 1438, 2059, 4118, 5033, 10066, 14413, 20851, 28826, 41702, 51049, 102098, 145957, 291914, 357343, 714686, 1480421, 2960842, 10362947, 20725894]

約数ペア:

[(1, 20725894), (2, 10362947), (7, 2960842), (14, 1480421), (29, 714686), (58, 357343), (71, 291914), (142, 145957), (203, 102098), (406, 51049), (497, 41702), (719, 28826), (994, 20851), (1438, 14413), (2059, 10066), (4118, 5033)]