20757682

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1811}}^1$

素因数の和:2345

約数の個数: 16

約数和(自身を含む): 34051104

約数和(自身を除く): 13293422

約数列:

[1, 2, 11, 22, 521, 1042, 1811, 3622, 5731, 11462, 19921, 39842, 943531, 1887062, 10378841, 20757682]

約数ペア:

[(1, 20757682), (2, 10378841), (11, 1887062), (22, 943531), (521, 39842), (1042, 19921), (1811, 11462), (3622, 5731)]