20392660

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1187}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 42910560

約数和(自身を除く): 22517900

約数列:

[1, 2, 4, 5, 10, 20, 859, 1187, 1718, 2374, 3436, 4295, 4748, 5935, 8590, 11870, 17180, 23740, 1019633, 2039266, 4078532, 5098165, 10196330, 20392660]

約数ペア:

[(1, 20392660), (2, 10196330), (4, 5098165), (5, 4078532), (10, 2039266), (20, 1019633), (859, 23740), (1187, 17180), (1718, 11870), (2374, 8590), (3436, 5935), (4295, 4748)]