2040852020

素因数分解:

$2^2\times 5^1\times {\mathrm{102042601}}^1$

素因数の和:102042610

約数の個数: 12

約数和(自身を含む): 4285789284

約数和(自身を除く): 2244937264

約数列:

[1, 2, 4, 5, 10, 20, 102042601, 204085202, 408170404, 510213005, 1020426010, 2040852020]

約数ペア:

[(1, 2040852020), (2, 1020426010), (4, 510213005), (5, 408170404), (10, 204085202), (20, 102042601)]