20655998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3019}}^1$

素因数の和:3343

約数の個数: 16

約数和(自身を含む): 33920640

約数和(自身を除く): 13264642

約数列:

[1, 2, 11, 22, 311, 622, 3019, 3421, 6038, 6842, 33209, 66418, 938909, 1877818, 10327999, 20655998]

約数ペア:

[(1, 20655998), (2, 10327999), (11, 1877818), (22, 938909), (311, 66418), (622, 33209), (3019, 6842), (3421, 6038)]