20417954

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1307}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 31360608

約数和(自身を除く): 10942654

約数列:

[1, 2, 73, 107, 146, 214, 1307, 2614, 7811, 15622, 95411, 139849, 190822, 279698, 10208977, 20417954]

約数ペア:

[(1, 20417954), (2, 10208977), (73, 279698), (107, 190822), (146, 139849), (214, 95411), (1307, 15622), (2614, 7811)]