20123407316

素因数分解:

$2^2\times {\mathrm{4051}}^1\times {\mathrm{1241879}}^1$

素因数の和:1245934

約数の個数: 12

約数和(自身を含む): 35224684320

約数和(自身を除く): 15101277004

約数列:

[1, 2, 4, 4051, 8102, 16204, 1241879, 2483758, 4967516, 5030851829, 10061703658, 20123407316]

約数ペア:

[(1, 20123407316), (2, 10061703658), (4, 5030851829), (4051, 4967516), (8102, 2483758), (16204, 1241879)]