20853837138

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{43995437}}^1$

素因数の和:43995521

約数の個数: 16

約数和(自身を含む): 42235620480

約数和(自身を除く): 21381783342

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 43995437, 87990874, 131986311, 263972622, 3475639523, 6951279046, 10426918569, 20853837138]

約数ペア:

[(1, 20853837138), (2, 10426918569), (3, 6951279046), (6, 3475639523), (79, 263972622), (158, 131986311), (237, 87990874), (474, 43995437)]