20280636

素因数分解:

$2^2\times 3^2\times {\mathrm{563351}}^1$

素因数の和:563361

約数の個数: 18

約数和(自身を含む): 51265032

約数和(自身を除く): 30984396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563351, 1126702, 1690053, 2253404, 3380106, 5070159, 6760212, 10140318, 20280636]

約数ペア:

[(1, 20280636), (2, 10140318), (3, 6760212), (4, 5070159), (6, 3380106), (9, 2253404), (12, 1690053), (18, 1126702), (36, 563351)]