10855420

素因数分解:

$2^2\times 5^1\times {\mathrm{542771}}^1$

素因数の和:542780

約数の個数: 12

約数和(自身を含む): 22796424

約数和(自身を除く): 11941004

約数列:

[1, 2, 4, 5, 10, 20, 542771, 1085542, 2171084, 2713855, 5427710, 10855420]

約数ペア:

[(1, 10855420), (2, 5427710), (4, 2713855), (5, 2171084), (10, 1085542), (20, 542771)]