20427804

素因数分解:

$2^2\times 3^2\times {\mathrm{567439}}^1$

素因数の和:567449

約数の個数: 18

約数和(自身を含む): 51637040

約数和(自身を除く): 31209236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 567439, 1134878, 1702317, 2269756, 3404634, 5106951, 6809268, 10213902, 20427804]

約数ペア:

[(1, 20427804), (2, 10213902), (3, 6809268), (4, 5106951), (6, 3404634), (9, 2269756), (12, 1702317), (18, 1134878), (36, 567439)]