20883020

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2357}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 43971984

約数和(自身を除く): 23088964

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2357, 4430, 4714, 8860, 9428, 11785, 23570, 47140, 1044151, 2088302, 4176604, 5220755, 10441510, 20883020]

約数ペア:

[(1, 20883020), (2, 10441510), (4, 5220755), (5, 4176604), (10, 2088302), (20, 1044151), (443, 47140), (886, 23570), (1772, 11785), (2215, 9428), (2357, 8860), (4430, 4714)]