20117750

素因数分解:

$2^1\times 5^3\times {\mathrm{80471}}^1$

素因数の和:80488

約数の個数: 16

約数和(自身を含む): 37660896

約数和(自身を除く): 17543146

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 80471, 160942, 402355, 804710, 2011775, 4023550, 10058875, 20117750]

約数ペア:

[(1, 20117750), (2, 10058875), (5, 4023550), (10, 2011775), (25, 804710), (50, 402355), (125, 160942), (250, 80471)]