20742005217

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{15473}}^1\times {\mathrm{8431}}^1$

素因数の和:23960

約数の個数: 16

約数和(自身を含む): 28182981888

約数和(自身を除く): 7440976671

約数列:

[1, 3, 53, 159, 8431, 15473, 25293, 46419, 446843, 820069, 1340529, 2460207, 130452863, 391358589, 6914001739, 20742005217]

約数ペア:

[(1, 20742005217), (3, 6914001739), (53, 391358589), (159, 130452863), (8431, 2460207), (15473, 1340529), (25293, 820069), (46419, 446843)]