20948048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2963

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 24424048

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2903, 3608, 5806, 7216, 11612, 23224, 31933, 46448, 63866, 119023, 127732, 238046, 255464, 476092, 510928, 952184, 1309253, 1904368, 2618506, 5237012, 10474024, 20948048]

約数ペア:

[(1, 20948048), (2, 10474024), (4, 5237012), (8, 2618506), (11, 1904368), (16, 1309253), (22, 952184), (41, 510928), (44, 476092), (82, 255464), (88, 238046), (164, 127732), (176, 119023), (328, 63866), (451, 46448), (656, 31933), (902, 23224), (1804, 11612), (2903, 7216), (3608, 5806)]