20456487176

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{54405551}}^1$

素因数の和:54405604

約数の個数: 16

約数和(自身を含む): 39171997440

約数和(自身を除く): 18715510264

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 54405551, 108811102, 217622204, 435244408, 2557060897, 5114121794, 10228243588, 20456487176]

約数ペア:

[(1, 20456487176), (2, 10228243588), (4, 5114121794), (8, 2557060897), (47, 435244408), (94, 217622204), (188, 108811102), (376, 54405551)]