20804924480

素因数分解:

$2^6\times 5^1\times {\mathrm{2383}}^1\times {\mathrm{27283}}^1$

素因数の和:29683

約数の個数: 56

約数和(自身を含む): 49564332672

約数和(自身を除く): 28759408192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2383, 4766, 9532, 11915, 19064, 23830, 27283, 38128, 47660, 54566, 76256, 95320, 109132, 136415, 152512, 190640, 218264, 272830, 381280, 436528, 545660, 762560, 873056, 1091320, 1746112, 2182640, 4365280, 8730560, 65015389, 130030778, 260061556, 325076945, 520123112, 650153890, 1040246224, 1300307780, 2080492448, 2600615560, 4160984896, 5201231120, 10402462240, 20804924480]

約数ペア:

[(1, 20804924480), (2, 10402462240), (4, 5201231120), (5, 4160984896), (8, 2600615560), (10, 2080492448), (16, 1300307780), (20, 1040246224), (32, 650153890), (40, 520123112), (64, 325076945), (80, 260061556), (160, 130030778), (320, 65015389), (2383, 8730560), (4766, 4365280), (9532, 2182640), (11915, 1746112), (19064, 1091320), (23830, 873056), (27283, 762560), (38128, 545660), (47660, 436528), (54566, 381280), (76256, 272830), (95320, 218264), (109132, 190640), (136415, 152512)]