20862961

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4538639

約数列:

[1, 7, 17, 119, 199, 881, 1393, 3383, 6167, 14977, 23681, 104839, 175319, 1227233, 2980423, 20862961]

約数ペア:

[(1, 20862961), (7, 2980423), (17, 1227233), (119, 175319), (199, 104839), (881, 23681), (1393, 14977), (3383, 6167)]