20782728

素因数分解:

$2^3\times 3^2\times {\mathrm{288649}}^1$

素因数の和:288661

約数の個数: 24

約数和(自身を含む): 56286750

約数和(自身を除く): 35504022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 288649, 577298, 865947, 1154596, 1731894, 2309192, 2597841, 3463788, 5195682, 6927576, 10391364, 20782728]

約数ペア:

[(1, 20782728), (2, 10391364), (3, 6927576), (4, 5195682), (6, 3463788), (8, 2597841), (9, 2309192), (12, 1731894), (18, 1154596), (24, 865947), (36, 577298), (72, 288649)]