215462020

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{15913}}^1$

素因数の和:16599

約数の個数: 24

約数和(自身を含む): 453167064

約数和(自身を除く): 237705044

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 13540, 15913, 31826, 63652, 79565, 159130, 318260, 10773101, 21546202, 43092404, 53865505, 107731010, 215462020]

約数ペア:

[(1, 215462020), (2, 107731010), (4, 53865505), (5, 43092404), (10, 21546202), (20, 10773101), (677, 318260), (1354, 159130), (2708, 79565), (3385, 63652), (6770, 31826), (13540, 15913)]