20128583709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2423087}}^1$

素因数の和:2423177

約数の個数: 24

約数和(自身を含む): 31752145152

約数和(自身を除く): 11623561443

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 2423087, 7269261, 21807783, 31500131, 94500393, 172039177, 283501179, 516117531, 1548352593, 2236509301, 6709527903, 20128583709]

約数ペア:

[(1, 20128583709), (3, 6709527903), (9, 2236509301), (13, 1548352593), (39, 516117531), (71, 283501179), (117, 172039177), (213, 94500393), (639, 31500131), (923, 21807783), (2769, 7269261), (8307, 2423087)]