20675733

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12329}}^1$

素因数の和:12388

約数の個数: 16

約数和(自身を含む): 30381120

約数和(自身を除く): 9705387

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12329, 36987, 160277, 480831, 530147, 1590441, 6891911, 20675733]

約数ペア:

[(1, 20675733), (3, 6891911), (13, 1590441), (39, 530147), (43, 480831), (129, 160277), (559, 36987), (1677, 12329)]