1990332020

素因数分解:

$2^2\times 5^1\times {\mathrm{99516601}}^1$

素因数の和:99516610

約数の個数: 12

約数和(自身を含む): 4179697284

約数和(自身を除く): 2189365264

約数列:

[1, 2, 4, 5, 10, 20, 99516601, 199033202, 398066404, 497583005, 995166010, 1990332020]

約数ペア:

[(1, 1990332020), (2, 995166010), (4, 497583005), (5, 398066404), (10, 199033202), (20, 99516601)]