20491518

素因数分解:

$2^1\times 3^1\times {\mathrm{709}}^1\times {\mathrm{4817}}^1$

素因数の和:5531

約数の個数: 16

約数和(自身を含む): 41049360

約数和(自身を除く): 20557842

約数列:

[1, 2, 3, 6, 709, 1418, 2127, 4254, 4817, 9634, 14451, 28902, 3415253, 6830506, 10245759, 20491518]

約数ペア:

[(1, 20491518), (2, 10245759), (3, 6830506), (6, 3415253), (709, 28902), (1418, 14451), (2127, 9634), (4254, 4817)]