20028636

素因数分解:

$2^2\times 3^2\times {\mathrm{556351}}^1$

素因数の和:556361

約数の個数: 18

約数和(自身を含む): 50628032

約数和(自身を除く): 30599396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556351, 1112702, 1669053, 2225404, 3338106, 5007159, 6676212, 10014318, 20028636]

約数ペア:

[(1, 20028636), (2, 10014318), (3, 6676212), (4, 5007159), (6, 3338106), (9, 2225404), (12, 1669053), (18, 1112702), (36, 556351)]