20185919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 23173920

約数和(自身を除く): 2988001

約数列:

[1, 13, 17, 221, 241, 379, 3133, 4097, 4927, 6443, 53261, 83759, 91339, 1187407, 1552763, 20185919]

約数ペア:

[(1, 20185919), (13, 1552763), (17, 1187407), (221, 91339), (241, 83759), (379, 53261), (3133, 6443), (4097, 4927)]