11972620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54421}}^1$

素因数の和:54441

約数の個数: 24

約数和(自身を含む): 27428688

約数和(自身を除く): 15456068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54421, 108842, 217684, 272105, 544210, 598631, 1088420, 1197262, 2394524, 2993155, 5986310, 11972620]

約数ペア:

[(1, 11972620), (2, 5986310), (4, 2993155), (5, 2394524), (10, 1197262), (11, 1088420), (20, 598631), (22, 544210), (44, 272105), (55, 217684), (110, 108842), (220, 54421)]