20729426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2551}}^1$

素因数の和:2809

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 12344494

約数列:

[1, 2, 17, 34, 239, 478, 2551, 4063, 5102, 8126, 43367, 86734, 609689, 1219378, 10364713, 20729426]

約数ペア:

[(1, 20729426), (2, 10364713), (17, 1219378), (34, 609689), (239, 86734), (478, 43367), (2551, 8126), (4063, 5102)]