20937579

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 30770352

約数和(自身を除く): 9832773

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 677, 793, 2031, 2379, 8801, 10309, 26403, 30927, 41297, 114413, 123891, 343239, 536861, 1610583, 6979193, 20937579]

約数ペア:

[(1, 20937579), (3, 6979193), (13, 1610583), (39, 536861), (61, 343239), (169, 123891), (183, 114413), (507, 41297), (677, 30927), (793, 26403), (2031, 10309), (2379, 8801)]