8869376420

素因数分解:

$2^2\times 5^1\times {\mathrm{443468821}}^1$

素因数の和:443468830

約数の個数: 12

約数和(自身を含む): 18625690524

約数和(自身を除く): 9756314104

約数列:

[1, 2, 4, 5, 10, 20, 443468821, 886937642, 1773875284, 2217344105, 4434688210, 8869376420]

約数ペア:

[(1, 8869376420), (2, 4434688210), (4, 2217344105), (5, 1773875284), (10, 886937642), (20, 443468821)]