20079687

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1549}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 27900000

約数和(自身を除く): 7820313

約数列:

[1, 3, 29, 87, 149, 447, 1549, 4321, 4647, 12963, 44921, 134763, 230801, 692403, 6693229, 20079687]

約数ペア:

[(1, 20079687), (3, 6693229), (29, 692403), (87, 230801), (149, 134763), (447, 44921), (1549, 12963), (4321, 4647)]