20158474760

素因数分解:

$2^3\times 5^1\times {\mathrm{503961869}}^1$

素因数の和:503961880

約数の個数: 16

約数和(自身を含む): 45356568300

約数和(自身を除く): 25198093540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503961869, 1007923738, 2015847476, 2519809345, 4031694952, 5039618690, 10079237380, 20158474760]

約数ペア:

[(1, 20158474760), (2, 10079237380), (4, 5039618690), (5, 4031694952), (8, 2519809345), (10, 2015847476), (20, 1007923738), (40, 503961869)]