20718162

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18869}}^1$

素因数の和:18938

約数の個数: 24

約数和(自身を含む): 45627660

約数和(自身を除く): 24909498

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 18869, 37738, 56607, 113214, 169821, 339642, 1151009, 2302018, 3453027, 6906054, 10359081, 20718162]

約数ペア:

[(1, 20718162), (2, 10359081), (3, 6906054), (6, 3453027), (9, 2302018), (18, 1151009), (61, 339642), (122, 169821), (183, 113214), (366, 56607), (549, 37738), (1098, 18869)]