20966121

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23531}}^1$

素因数の和:23554

約数の個数: 20

約数和(自身を含む): 34168464

約数和(自身を除く): 13202343

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23531, 70593, 211779, 258841, 635337, 776523, 1906011, 2329569, 6988707, 20966121]

約数ペア:

[(1, 20966121), (3, 6988707), (9, 2329569), (11, 1906011), (27, 776523), (33, 635337), (81, 258841), (99, 211779), (297, 70593), (891, 23531)]