20252020

素因数分解:

$2^2\times 5^1\times {\mathrm{1012601}}^1$

素因数の和:1012610

約数の個数: 12

約数和(自身を含む): 42529284

約数和(自身を除く): 22277264

約数列:

[1, 2, 4, 5, 10, 20, 1012601, 2025202, 4050404, 5063005, 10126010, 20252020]

約数ペア:

[(1, 20252020), (2, 10126010), (4, 5063005), (5, 4050404), (10, 2025202), (20, 1012601)]