42432020

素因数分解:

$2^2\times 5^1\times {\mathrm{2121601}}^1$

素因数の和:2121610

約数の個数: 12

約数和(自身を含む): 89107284

約数和(自身を除く): 46675264

約数列:

[1, 2, 4, 5, 10, 20, 2121601, 4243202, 8486404, 10608005, 21216010, 42432020]

約数ペア:

[(1, 42432020), (2, 21216010), (4, 10608005), (5, 8486404), (10, 4243202), (20, 2121601)]