20518303

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 23556960

約数和(自身を除く): 3038657

約数列:

[1, 13, 17, 221, 227, 409, 2951, 3859, 5317, 6953, 50167, 90389, 92843, 1206959, 1578331, 20518303]

約数ペア:

[(1, 20518303), (13, 1578331), (17, 1206959), (221, 92843), (227, 90389), (409, 50167), (2951, 6953), (3859, 5317)]