20199162440

素因数分解:

$2^3\times 5^1\times {\mathrm{504979061}}^1$

素因数の和:504979072

約数の個数: 16

約数和(自身を含む): 45448115580

約数和(自身を除く): 25248953140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504979061, 1009958122, 2019916244, 2524895305, 4039832488, 5049790610, 10099581220, 20199162440]

約数ペア:

[(1, 20199162440), (2, 10099581220), (4, 5049790610), (5, 4039832488), (8, 2524895305), (10, 2019916244), (20, 1009958122), (40, 504979061)]