20805456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3296

約数の個数: 80

約数和(自身を含む): 64678400

約数和(自身を除く): 43872944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3259, 6384, 6518, 9777, 13036, 19554, 22813, 26072, 39108, 45626, 52144, 61921, 68439, 78216, 91252, 123842, 136878, 156432, 182504, 185763, 247684, 273756, 365008, 371526, 433447, 495368, 547512, 743052, 866894, 990736, 1095024, 1300341, 1486104, 1733788, 2600682, 2972208, 3467576, 5201364, 6935152, 10402728, 20805456]

約数ペア:

[(1, 20805456), (2, 10402728), (3, 6935152), (4, 5201364), (6, 3467576), (7, 2972208), (8, 2600682), (12, 1733788), (14, 1486104), (16, 1300341), (19, 1095024), (21, 990736), (24, 866894), (28, 743052), (38, 547512), (42, 495368), (48, 433447), (56, 371526), (57, 365008), (76, 273756), (84, 247684), (112, 185763), (114, 182504), (133, 156432), (152, 136878), (168, 123842), (228, 91252), (266, 78216), (304, 68439), (336, 61921), (399, 52144), (456, 45626), (532, 39108), (798, 26072), (912, 22813), (1064, 19554), (1596, 13036), (2128, 9777), (3192, 6518), (3259, 6384)]