20009891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2794

約数の個数: 12

約数和(自身を含む): 22363152

約数和(自身を除く): 2353261

約数列:

[1, 11, 61, 121, 671, 2711, 7381, 29821, 165371, 328031, 1819081, 20009891]

約数ペア:

[(1, 20009891), (11, 1819081), (61, 328031), (121, 165371), (671, 29821), (2711, 7381)]