20933260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 45616032

約数和(自身を除く): 24682772

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 241, 404, 430, 482, 505, 860, 964, 1010, 1205, 2020, 2410, 4343, 4820, 8686, 10363, 17372, 20726, 21715, 24341, 41452, 43430, 48682, 51815, 86860, 97364, 103630, 121705, 207260, 243410, 486820, 1046663, 2093326, 4186652, 5233315, 10466630, 20933260]

約数ペア:

[(1, 20933260), (2, 10466630), (4, 5233315), (5, 4186652), (10, 2093326), (20, 1046663), (43, 486820), (86, 243410), (101, 207260), (172, 121705), (202, 103630), (215, 97364), (241, 86860), (404, 51815), (430, 48682), (482, 43430), (505, 41452), (860, 24341), (964, 21715), (1010, 20726), (1205, 17372), (2020, 10363), (2410, 8686), (4343, 4820)]