11278220

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{877}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 23748144

約数和(自身を除く): 12469924

約数列:

[1, 2, 4, 5, 10, 20, 643, 877, 1286, 1754, 2572, 3215, 3508, 4385, 6430, 8770, 12860, 17540, 563911, 1127822, 2255644, 2819555, 5639110, 11278220]

約数ペア:

[(1, 11278220), (2, 5639110), (4, 2819555), (5, 2255644), (10, 1127822), (20, 563911), (643, 17540), (877, 12860), (1286, 8770), (1754, 6430), (2572, 4385), (3215, 3508)]