20916572410

素因数分解:

$2^1\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{476351}}^1$

素因数の和:480749

約数の個数: 16

約数和(自身を含む): 37658483712

約数和(自身を除く): 16741911302

約数列:

[1, 2, 5, 10, 4391, 8782, 21955, 43910, 476351, 952702, 2381755, 4763510, 2091657241, 4183314482, 10458286205, 20916572410]

約数ペア:

[(1, 20916572410), (2, 10458286205), (5, 4183314482), (10, 2091657241), (4391, 4763510), (8782, 2381755), (21955, 952702), (43910, 476351)]