20512110230

素因数分解:

$2^1\times 5^1\times {\mathrm{71879}}^1\times {\mathrm{28537}}^1$

素因数の和:100423

約数の個数: 16

約数和(自身を含む): 36923605920

約数和(自身を除く): 16411495690

約数列:

[1, 2, 5, 10, 28537, 57074, 71879, 142685, 143758, 285370, 359395, 718790, 2051211023, 4102422046, 10256055115, 20512110230]

約数ペア:

[(1, 20512110230), (2, 10256055115), (5, 4102422046), (10, 2051211023), (28537, 718790), (57074, 359395), (71879, 285370), (142685, 143758)]