20209317

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 28080000

約数和(自身を除く): 7870683

約数列:

[1, 3, 29, 87, 149, 447, 1559, 4321, 4677, 12963, 45211, 135633, 232291, 696873, 6736439, 20209317]

約数ペア:

[(1, 20209317), (3, 6736439), (29, 696873), (87, 232291), (149, 135633), (447, 45211), (1559, 12963), (4321, 4677)]