20668011

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75707}}^1$

素因数の和:75730

約数の個数: 16

約数和(自身を含む): 33917184

約数和(自身を除く): 13249173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75707, 227121, 529949, 984191, 1589847, 2952573, 6889337, 20668011]

約数ペア:

[(1, 20668011), (3, 6889337), (7, 2952573), (13, 1589847), (21, 984191), (39, 529949), (91, 227121), (273, 75707)]