20886376

素因数分解:

$2^3\times 7^1\times {\mathrm{372971}}^1$

素因数の和:372984

約数の個数: 16

約数和(自身を含む): 44756640

約数和(自身を除く): 23870264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372971, 745942, 1491884, 2610797, 2983768, 5221594, 10443188, 20886376]

約数ペア:

[(1, 20886376), (2, 10443188), (4, 5221594), (7, 2983768), (8, 2610797), (14, 1491884), (28, 745942), (56, 372971)]