20512073480

素因数分解:

$2^3\times 5^1\times {\mathrm{512801837}}^1$

素因数の和:512801848

約数の個数: 16

約数和(自身を含む): 46152165420

約数和(自身を除く): 25640091940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 512801837, 1025603674, 2051207348, 2564009185, 4102414696, 5128018370, 10256036740, 20512073480]

約数ペア:

[(1, 20512073480), (2, 10256036740), (4, 5128018370), (5, 4102414696), (8, 2564009185), (10, 2051207348), (20, 1025603674), (40, 512801837)]