20387610321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{27737}}^1$

素因数の和:28201

約数の個数: 32

約数和(自身を含む): 29973017088

約数和(自身を除く): 9585406767

約数列:

[1, 3, 13, 39, 47, 141, 401, 611, 1203, 1833, 5213, 15639, 18847, 27737, 56541, 83211, 245011, 360581, 735033, 1081743, 1303639, 3910917, 11122537, 16947307, 33367611, 50841921, 144592981, 433778943, 522759239, 1568277717, 6795870107, 20387610321]

約数ペア:

[(1, 20387610321), (3, 6795870107), (13, 1568277717), (39, 522759239), (47, 433778943), (141, 144592981), (401, 50841921), (611, 33367611), (1203, 16947307), (1833, 11122537), (5213, 3910917), (15639, 1303639), (18847, 1081743), (27737, 735033), (56541, 360581), (83211, 245011)]