20444665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{701}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5501255

約数列:

[1, 5, 19, 95, 307, 701, 1535, 3505, 5833, 13319, 29165, 66595, 215207, 1076035, 4088933, 20444665]

約数ペア:

[(1, 20444665), (5, 4088933), (19, 1076035), (95, 215207), (307, 66595), (701, 29165), (1535, 13319), (3505, 5833)]