20168239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13037}}^1$

素因数の和:13074

約数の個数: 16

約数和(自身を含む): 26284608

約数和(自身を除く): 6116369

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13037, 91259, 169481, 221629, 1186367, 1551403, 2881177, 20168239]

約数ペア:

[(1, 20168239), (7, 2881177), (13, 1551403), (17, 1186367), (91, 221629), (119, 169481), (221, 91259), (1547, 13037)]