20875985928

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13806869}}^1$

素因数の和:13806891

約数の個数: 64

約数和(自身を含む): 66272976000

約数和(自身を除く): 45396990072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13806869, 27613738, 41420607, 55227476, 82841214, 96648083, 110454952, 124261821, 165682428, 193296166, 248523642, 289944249, 331364856, 372785463, 386592332, 497047284, 579888498, 745570926, 773184664, 869832747, 994094568, 1159776996, 1491141852, 1739665494, 2319553992, 2609498241, 2982283704, 3479330988, 5218996482, 6958661976, 10437992964, 20875985928]

約数ペア:

[(1, 20875985928), (2, 10437992964), (3, 6958661976), (4, 5218996482), (6, 3479330988), (7, 2982283704), (8, 2609498241), (9, 2319553992), (12, 1739665494), (14, 1491141852), (18, 1159776996), (21, 994094568), (24, 869832747), (27, 773184664), (28, 745570926), (36, 579888498), (42, 497047284), (54, 386592332), (56, 372785463), (63, 331364856), (72, 289944249), (84, 248523642), (108, 193296166), (126, 165682428), (168, 124261821), (189, 110454952), (216, 96648083), (252, 82841214), (378, 55227476), (504, 41420607), (756, 27613738), (1512, 13806869)]