20105244

素因数分解:

$2^2\times 3^2\times {\mathrm{558479}}^1$

素因数の和:558489

約数の個数: 18

約数和(自身を含む): 50821680

約数和(自身を除く): 30716436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 558479, 1116958, 1675437, 2233916, 3350874, 5026311, 6701748, 10052622, 20105244]

約数ペア:

[(1, 20105244), (2, 10052622), (3, 6701748), (4, 5026311), (6, 3350874), (9, 2233916), (12, 1675437), (18, 1116958), (36, 558479)]