20187629

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11399}}^1$

素因数の和:11440

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 6077971

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11399, 79793, 125389, 262177, 877723, 1835239, 2883947, 20187629]

約数ペア:

[(1, 20187629), (7, 2883947), (11, 1835239), (23, 877723), (77, 262177), (161, 125389), (253, 79793), (1771, 11399)]