20778844144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{10009}}^1\times {\mathrm{6829}}^1$

素因数の和:16865

約数の個数: 40

約数和(自身を含む): 42388346000

約数和(自身を除く): 21609501856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6829, 10009, 13658, 20018, 27316, 40036, 54632, 80072, 109264, 129751, 160144, 190171, 259502, 380342, 519004, 760684, 1038008, 1521368, 2076016, 3042736, 68351461, 136702922, 273405844, 546811688, 1093623376, 1298677759, 2597355518, 5194711036, 10389422072, 20778844144]

約数ペア:

[(1, 20778844144), (2, 10389422072), (4, 5194711036), (8, 2597355518), (16, 1298677759), (19, 1093623376), (38, 546811688), (76, 273405844), (152, 136702922), (304, 68351461), (6829, 3042736), (10009, 2076016), (13658, 1521368), (20018, 1038008), (27316, 760684), (40036, 519004), (54632, 380342), (80072, 259502), (109264, 190171), (129751, 160144)]