20173091589

素因数分解:

$3^2\times 7^1\times {\mathrm{320207803}}^1$

素因数の和:320207816

約数の個数: 12

約数和(自身を含む): 33301611616

約数和(自身を除く): 13128520027

約数列:

[1, 3, 7, 9, 21, 63, 320207803, 960623409, 2241454621, 2881870227, 6724363863, 20173091589]

約数ペア:

[(1, 20173091589), (3, 6724363863), (7, 2881870227), (9, 2241454621), (21, 960623409), (63, 320207803)]