20880962

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{28921}}^1$

素因数の和:28961

約数の個数: 12

約数和(自身を含む): 33057846

約数和(自身を除く): 12176884

約数列:

[1, 2, 19, 38, 361, 722, 28921, 57842, 549499, 1098998, 10440481, 20880962]

約数ペア:

[(1, 20880962), (2, 10440481), (19, 1098998), (38, 549499), (361, 57842), (722, 28921)]