20512488020

素因数分解:

$2^2\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{423287}}^1$

素因数の和:425719

約数の個数: 24

約数和(自身を含む): 43094104704

約数和(自身を除く): 22581616684

約数列:

[1, 2, 4, 5, 10, 20, 2423, 4846, 9692, 12115, 24230, 48460, 423287, 846574, 1693148, 2116435, 4232870, 8465740, 1025624401, 2051248802, 4102497604, 5128122005, 10256244010, 20512488020]

約数ペア:

[(1, 20512488020), (2, 10256244010), (4, 5128122005), (5, 4102497604), (10, 2051248802), (20, 1025624401), (2423, 8465740), (4846, 4232870), (9692, 2116435), (12115, 1693148), (24230, 846574), (48460, 423287)]