20215431171

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{944161}}^1$

素因数の和:944244

約数の個数: 32

約数和(自身を含む): 32781304640

約数和(自身を除く): 12565873469

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1647, 2379, 7137, 21411, 944161, 2832483, 8497449, 12274093, 25492347, 36822279, 57593821, 110466837, 172781463, 331400511, 518344389, 748719673, 1555033167, 2246159019, 6738477057, 20215431171]

約数ペア:

[(1, 20215431171), (3, 6738477057), (9, 2246159019), (13, 1555033167), (27, 748719673), (39, 518344389), (61, 331400511), (117, 172781463), (183, 110466837), (351, 57593821), (549, 36822279), (793, 25492347), (1647, 12274093), (2379, 8497449), (7137, 2832483), (21411, 944161)]