20101917020

素因数分解:

$2^2\times 5^1\times {\mathrm{1005095851}}^1$

素因数の和:1005095860

約数の個数: 12

約数和(自身を含む): 42214025784

約数和(自身を除く): 22112108764

約数列:

[1, 2, 4, 5, 10, 20, 1005095851, 2010191702, 4020383404, 5025479255, 10050958510, 20101917020]

約数ペア:

[(1, 20101917020), (2, 10050958510), (4, 5025479255), (5, 4020383404), (10, 2010191702), (20, 1005095851)]