20946874

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2194

約数の個数: 24

約数和(自身を含む): 35212860

約数和(自身を除く): 14265986

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2137, 4274, 4901, 9802, 27781, 55562, 61973, 123946, 361153, 722306, 805649, 1611298, 10473437, 20946874]

約数ペア:

[(1, 20946874), (2, 10473437), (13, 1611298), (26, 805649), (29, 722306), (58, 361153), (169, 123946), (338, 61973), (377, 55562), (754, 27781), (2137, 9802), (4274, 4901)]