20012637465

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1385437}}^1$

素因数の和:1385558

約数の個数: 32

約数和(自身を含む): 35910552960

約数和(自身を除く): 15897915495

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2889, 4815, 14445, 1385437, 4156311, 6927185, 12468933, 20781555, 37406799, 62344665, 148241759, 187033995, 444725277, 741208795, 1334175831, 2223626385, 4002527493, 6670879155, 20012637465]

約数ペア:

[(1, 20012637465), (3, 6670879155), (5, 4002527493), (9, 2223626385), (15, 1334175831), (27, 741208795), (45, 444725277), (107, 187033995), (135, 148241759), (321, 62344665), (535, 37406799), (963, 20781555), (1605, 12468933), (2889, 6927185), (4815, 4156311), (14445, 1385437)]