20179955870

素因数分解:

$2^1\times 5^1\times {\mathrm{10139}}^1\times {\mathrm{199033}}^1$

素因数の和:209179

約数の個数: 16

約数和(自身を含む): 36327685680

約数和(自身を除く): 16147729810

約数列:

[1, 2, 5, 10, 10139, 20278, 50695, 101390, 199033, 398066, 995165, 1990330, 2017995587, 4035991174, 10089977935, 20179955870]

約数ペア:

[(1, 20179955870), (2, 10089977935), (5, 4035991174), (10, 2017995587), (10139, 1990330), (20278, 995165), (50695, 398066), (101390, 199033)]