20185785

素因数分解:

$3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{739}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 35093760

約数和(自身を除く): 14907975

約数列:

[1, 3, 5, 9, 15, 45, 607, 739, 1821, 2217, 3035, 3695, 5463, 6651, 9105, 11085, 27315, 33255, 448573, 1345719, 2242865, 4037157, 6728595, 20185785]

約数ペア:

[(1, 20185785), (3, 6728595), (5, 4037157), (9, 2242865), (15, 1345719), (45, 448573), (607, 33255), (739, 27315), (1821, 11085), (2217, 9105), (3035, 6651), (3695, 5463)]