20324976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 60496128

約数和(自身を除く): 40171152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 251, 336, 482, 502, 723, 753, 964, 1004, 1446, 1506, 1687, 1757, 1928, 2008, 2892, 3012, 3374, 3514, 3856, 4016, 5061, 5271, 5784, 6024, 6748, 7028, 10122, 10542, 11568, 12048, 13496, 14056, 20244, 21084, 26992, 28112, 40488, 42168, 60491, 80976, 84336, 120982, 181473, 241964, 362946, 423437, 483928, 725892, 846874, 967856, 1270311, 1451784, 1693748, 2540622, 2903568, 3387496, 5081244, 6774992, 10162488, 20324976]

約数ペア:

[(1, 20324976), (2, 10162488), (3, 6774992), (4, 5081244), (6, 3387496), (7, 2903568), (8, 2540622), (12, 1693748), (14, 1451784), (16, 1270311), (21, 967856), (24, 846874), (28, 725892), (42, 483928), (48, 423437), (56, 362946), (84, 241964), (112, 181473), (168, 120982), (241, 84336), (251, 80976), (336, 60491), (482, 42168), (502, 40488), (723, 28112), (753, 26992), (964, 21084), (1004, 20244), (1446, 14056), (1506, 13496), (1687, 12048), (1757, 11568), (1928, 10542), (2008, 10122), (2892, 7028), (3012, 6748), (3374, 6024), (3514, 5784), (3856, 5271), (4016, 5061)]