20449467

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 30826224

約数和(自身を除く): 10376757

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 997, 2279, 2991, 6837, 8973, 20511, 42871, 52841, 128613, 158523, 385839, 475569, 2272163, 6816489, 20449467]

約数ペア:

[(1, 20449467), (3, 6816489), (9, 2272163), (43, 475569), (53, 385839), (129, 158523), (159, 128613), (387, 52841), (477, 42871), (997, 20511), (2279, 8973), (2991, 6837)]