20677248

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 63321600

約数和(自身を除く): 42644352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 193, 216, 248, 279, 288, 372, 384, 386, 432, 496, 558, 576, 579, 744, 772, 837, 864, 992, 1116, 1152, 1158, 1488, 1544, 1674, 1728, 1737, 1984, 2232, 2316, 2976, 3088, 3348, 3456, 3474, 3968, 4464, 4632, 5211, 5952, 5983, 6176, 6696, 6948, 8928, 9264, 10422, 11904, 11966, 12352, 13392, 13896, 17856, 17949, 18528, 20844, 23932, 24704, 26784, 27792, 35712, 35898, 37056, 41688, 47864, 53568, 53847, 55584, 71796, 74112, 83376, 95728, 107136, 107694, 111168, 143592, 161541, 166752, 191456, 215388, 222336, 287184, 323082, 333504, 382912, 430776, 574368, 646164, 667008, 765824, 861552, 1148736, 1292328, 1723104, 2297472, 2584656, 3446208, 5169312, 6892416, 10338624, 20677248]

約数ペア:

[(1, 20677248), (2, 10338624), (3, 6892416), (4, 5169312), (6, 3446208), (8, 2584656), (9, 2297472), (12, 1723104), (16, 1292328), (18, 1148736), (24, 861552), (27, 765824), (31, 667008), (32, 646164), (36, 574368), (48, 430776), (54, 382912), (62, 333504), (64, 323082), (72, 287184), (93, 222336), (96, 215388), (108, 191456), (124, 166752), (128, 161541), (144, 143592), (186, 111168), (192, 107694), (193, 107136), (216, 95728), (248, 83376), (279, 74112), (288, 71796), (372, 55584), (384, 53847), (386, 53568), (432, 47864), (496, 41688), (558, 37056), (576, 35898), (579, 35712), (744, 27792), (772, 26784), (837, 24704), (864, 23932), (992, 20844), (1116, 18528), (1152, 17949), (1158, 17856), (1488, 13896), (1544, 13392), (1674, 12352), (1728, 11966), (1737, 11904), (1984, 10422), (2232, 9264), (2316, 8928), (2976, 6948), (3088, 6696), (3348, 6176), (3456, 5983), (3474, 5952), (3968, 5211), (4464, 4632)]