20974848

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 57689856

約数和(自身を除く): 36715008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 881, 992, 1488, 1762, 1984, 2643, 2976, 3524, 3968, 5286, 5952, 7048, 7936, 10572, 11904, 14096, 21144, 23808, 27311, 28192, 42288, 54622, 56384, 81933, 84576, 109244, 112768, 163866, 169152, 218488, 225536, 327732, 338304, 436976, 655464, 676608, 873952, 1310928, 1747904, 2621856, 3495808, 5243712, 6991616, 10487424, 20974848]

約数ペア:

[(1, 20974848), (2, 10487424), (3, 6991616), (4, 5243712), (6, 3495808), (8, 2621856), (12, 1747904), (16, 1310928), (24, 873952), (31, 676608), (32, 655464), (48, 436976), (62, 338304), (64, 327732), (93, 225536), (96, 218488), (124, 169152), (128, 163866), (186, 112768), (192, 109244), (248, 84576), (256, 81933), (372, 56384), (384, 54622), (496, 42288), (744, 28192), (768, 27311), (881, 23808), (992, 21144), (1488, 14096), (1762, 11904), (1984, 10572), (2643, 7936), (2976, 7048), (3524, 5952), (3968, 5286)]