20642724

素因数分解:

$2^2\times 3^2\times {\mathrm{573409}}^1$

素因数の和:573419

約数の個数: 18

約数和(自身を含む): 52180310

約数和(自身を除く): 31537586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573409, 1146818, 1720227, 2293636, 3440454, 5160681, 6880908, 10321362, 20642724]

約数ペア:

[(1, 20642724), (2, 10321362), (3, 6880908), (4, 5160681), (6, 3440454), (9, 2293636), (12, 1720227), (18, 1146818), (36, 573409)]