20647582010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187705291}}^1$

素因数の和:187705309

約数の個数: 16

約数和(自身を含む): 40544343072

約数和(自身を除く): 19896761062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187705291, 375410582, 938526455, 1877052910, 2064758201, 4129516402, 10323791005, 20647582010]

約数ペア:

[(1, 20647582010), (2, 10323791005), (5, 4129516402), (10, 2064758201), (11, 1877052910), (22, 938526455), (55, 375410582), (110, 187705291)]