20565928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62701}}^1$

素因数の和:62748

約数の個数: 16

約数和(自身を含む): 39502260

約数和(自身を除く): 18936332

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62701, 125402, 250804, 501608, 2570741, 5141482, 10282964, 20565928]

約数ペア:

[(1, 20565928), (2, 10282964), (4, 5141482), (8, 2570741), (41, 501608), (82, 250804), (164, 125402), (328, 62701)]