20163685480

素因数分解:

$2^3\times 5^1\times {\mathrm{504092137}}^1$

素因数の和:504092148

約数の個数: 16

約数和(自身を含む): 45368292420

約数和(自身を除く): 25204606940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504092137, 1008184274, 2016368548, 2520460685, 4032737096, 5040921370, 10081842740, 20163685480]

約数ペア:

[(1, 20163685480), (2, 10081842740), (4, 5040921370), (5, 4032737096), (8, 2520460685), (10, 2016368548), (20, 1008184274), (40, 504092137)]