20849717

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 24576000

約数和(自身を除く): 3726283

約数列:

[1, 7, 47, 127, 329, 499, 889, 3493, 5969, 23453, 41783, 63373, 164171, 443611, 2978531, 20849717]

約数ペア:

[(1, 20849717), (7, 2978531), (47, 443611), (127, 164171), (329, 63373), (499, 41783), (889, 23453), (3493, 5969)]