20479719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3833}}^1$

素因数の和:3986

約数の個数: 16

約数和(自身を含む): 29629152

約数和(自身を除く): 9149433

約数列:

[1, 3, 13, 39, 137, 411, 1781, 3833, 5343, 11499, 49829, 149487, 525121, 1575363, 6826573, 20479719]

約数ペア:

[(1, 20479719), (3, 6826573), (13, 1575363), (39, 525121), (137, 149487), (411, 49829), (1781, 11499), (3833, 5343)]