20433985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28579}}^1$

素因数の和:28608

約数の個数: 16

約数和(自身を含む): 28808640

約数和(自身を除く): 8374655

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28579, 142895, 314369, 371527, 1571845, 1857635, 4086797, 20433985]

約数ペア:

[(1, 20433985), (5, 4086797), (11, 1857635), (13, 1571845), (55, 371527), (65, 314369), (143, 142895), (715, 28579)]