20577081

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5077}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 31524224

約数和(自身を除く): 10947143

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5077, 15231, 35539, 106617, 979861, 2939583, 6859027, 20577081]

約数ペア:

[(1, 20577081), (3, 6859027), (7, 2939583), (21, 979861), (193, 106617), (579, 35539), (1351, 15231), (4053, 5077)]