20604408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1$

素因数の和:4628

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38907912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4591, 9182, 13773, 18364, 27546, 36728, 50501, 55092, 78047, 101002, 110184, 151503, 156094, 202004, 234141, 303006, 312188, 404008, 468282, 606012, 624376, 858517, 936564, 1212024, 1717034, 1873128, 2575551, 3434068, 5151102, 6868136, 10302204, 20604408]

約数ペア:

[(1, 20604408), (2, 10302204), (3, 6868136), (4, 5151102), (6, 3434068), (8, 2575551), (11, 1873128), (12, 1717034), (17, 1212024), (22, 936564), (24, 858517), (33, 624376), (34, 606012), (44, 468282), (51, 404008), (66, 312188), (68, 303006), (88, 234141), (102, 202004), (132, 156094), (136, 151503), (187, 110184), (204, 101002), (264, 78047), (374, 55092), (408, 50501), (561, 36728), (748, 27546), (1122, 18364), (1496, 13773), (2244, 9182), (4488, 4591)]