20901495

素因数分解:

$3^1\times 5^1\times {\mathrm{733}}^1\times {\mathrm{1901}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 33505632

約数和(自身を除く): 12604137

約数列:

[1, 3, 5, 15, 733, 1901, 2199, 3665, 5703, 9505, 10995, 28515, 1393433, 4180299, 6967165, 20901495]

約数ペア:

[(1, 20901495), (3, 6967165), (5, 4180299), (15, 1393433), (733, 28515), (1901, 10995), (2199, 9505), (3665, 5703)]