20689595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{607}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 26396928

約数和(自身を除く): 5707333

約数列:

[1, 5, 17, 85, 401, 607, 2005, 3035, 6817, 10319, 34085, 51595, 243407, 1217035, 4137919, 20689595]

約数ペア:

[(1, 20689595), (5, 4137919), (17, 1217035), (85, 243407), (401, 51595), (607, 34085), (2005, 10319), (3035, 6817)]