20008010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181891}}^1$

素因数の和:181909

約数の個数: 16

約数和(自身を含む): 39288672

約数和(自身を除く): 19280662

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181891, 363782, 909455, 1818910, 2000801, 4001602, 10004005, 20008010]

約数ペア:

[(1, 20008010), (2, 10004005), (5, 4001602), (10, 2000801), (11, 1818910), (22, 909455), (55, 363782), (110, 181891)]