20810858

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3137}}^1$

素因数の和:3277

約数の個数: 16

約数和(自身を含む): 32534784

約数和(自身を除く): 11723926

約数列:

[1, 2, 31, 62, 107, 214, 3137, 3317, 6274, 6634, 97247, 194494, 335659, 671318, 10405429, 20810858]

約数ペア:

[(1, 20810858), (2, 10405429), (31, 671318), (62, 335659), (107, 194494), (214, 97247), (3137, 6634), (3317, 6274)]