20278300978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{174443}}^1$

素因数の和:174738

約数の個数: 32

約数和(自身を含む): 34816231296

約数和(自身を除く): 14537930318

約数列:

[1, 2, 13, 17, 26, 34, 221, 263, 442, 526, 3419, 4471, 6838, 8942, 58123, 116246, 174443, 348886, 2267759, 2965531, 4535518, 5931062, 38551903, 45878509, 77103806, 91757018, 596420617, 779934653, 1192841234, 1559869306, 10139150489, 20278300978]

約数ペア:

[(1, 20278300978), (2, 10139150489), (13, 1559869306), (17, 1192841234), (26, 779934653), (34, 596420617), (221, 91757018), (263, 77103806), (442, 45878509), (526, 38551903), (3419, 5931062), (4471, 4535518), (6838, 2965531), (8942, 2267759), (58123, 348886), (116246, 174443)]