20418444

素因数分解:

$2^2\times 3^2\times {\mathrm{567179}}^1$

素因数の和:567189

約数の個数: 18

約数和(自身を含む): 51613380

約数和(自身を除く): 31194936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 567179, 1134358, 1701537, 2268716, 3403074, 5104611, 6806148, 10209222, 20418444]

約数ペア:

[(1, 20418444), (2, 10209222), (3, 6806148), (4, 5104611), (6, 3403074), (9, 2268716), (12, 1701537), (18, 1134358), (36, 567179)]