20166309080

素因数分解:

$2^3\times 5^1\times {\mathrm{504157727}}^1$

素因数の和:504157738

約数の個数: 16

約数和(自身を含む): 45374195520

約数和(自身を除く): 25207886440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504157727, 1008315454, 2016630908, 2520788635, 4033261816, 5041577270, 10083154540, 20166309080]

約数ペア:

[(1, 20166309080), (2, 10083154540), (4, 5041577270), (5, 4033261816), (8, 2520788635), (10, 2016630908), (20, 1008315454), (40, 504157727)]