20703080

素因数分解:

$2^3\times 5^1\times {\mathrm{517577}}^1$

素因数の和:517588

約数の個数: 16

約数和(自身を含む): 46582020

約数和(自身を除く): 25878940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 517577, 1035154, 2070308, 2587885, 4140616, 5175770, 10351540, 20703080]

約数ペア:

[(1, 20703080), (2, 10351540), (4, 5175770), (5, 4140616), (8, 2587885), (10, 2070308), (20, 1035154), (40, 517577)]