20123701818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{471259}}^1$

素因数の和:471922

約数の個数: 32

約数和(自身を含む): 43974213120

約数和(自身を除く): 23850511302

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 647, 1294, 1941, 3882, 7117, 14234, 21351, 42702, 471259, 942518, 1413777, 2827554, 5183849, 10367698, 15551547, 31103094, 304904573, 609809146, 914713719, 1829427438, 3353950303, 6707900606, 10061850909, 20123701818]

約数ペア:

[(1, 20123701818), (2, 10061850909), (3, 6707900606), (6, 3353950303), (11, 1829427438), (22, 914713719), (33, 609809146), (66, 304904573), (647, 31103094), (1294, 15551547), (1941, 10367698), (3882, 5183849), (7117, 2827554), (14234, 1413777), (21351, 942518), (42702, 471259)]