69720220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6691}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 146715408

約数和(自身を除く): 76995188

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 6691, 10420, 13382, 26764, 33455, 66910, 133820, 3486011, 6972022, 13944044, 17430055, 34860110, 69720220]

約数ペア:

[(1, 69720220), (2, 34860110), (4, 17430055), (5, 13944044), (10, 6972022), (20, 3486011), (521, 133820), (1042, 66910), (2084, 33455), (2605, 26764), (5210, 13382), (6691, 10420)]