20248423970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28518907}}^1$

素因数の和:28518985

約数の個数: 16

約数和(自身を含む): 36960504768

約数和(自身を除く): 16712080798

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28518907, 57037814, 142594535, 285189070, 2024842397, 4049684794, 10124211985, 20248423970]

約数ペア:

[(1, 20248423970), (2, 10124211985), (5, 4049684794), (10, 2024842397), (71, 285189070), (142, 142594535), (355, 57037814), (710, 28518907)]