20989248

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 168

約数和(自身を含む): 68104512

約数和(自身を除く): 47115264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 64, 69, 84, 92, 96, 97, 98, 112, 138, 147, 161, 168, 184, 192, 194, 196, 224, 276, 291, 294, 322, 336, 368, 388, 392, 448, 483, 552, 582, 588, 644, 672, 679, 736, 776, 784, 966, 1104, 1127, 1164, 1176, 1288, 1344, 1358, 1472, 1552, 1568, 1932, 2037, 2208, 2231, 2254, 2328, 2352, 2576, 2716, 3104, 3136, 3381, 3864, 4074, 4416, 4462, 4508, 4656, 4704, 4753, 5152, 5432, 6208, 6693, 6762, 7728, 8148, 8924, 9016, 9312, 9408, 9506, 10304, 10864, 13386, 13524, 14259, 15456, 15617, 16296, 17848, 18032, 18624, 19012, 21728, 26772, 27048, 28518, 30912, 31234, 32592, 35696, 36064, 38024, 43456, 46851, 53544, 54096, 57036, 62468, 65184, 71392, 72128, 76048, 93702, 107088, 108192, 109319, 114072, 124936, 130368, 142784, 152096, 187404, 214176, 216384, 218638, 228144, 249872, 304192, 327957, 374808, 428352, 437276, 456288, 499744, 655914, 749616, 874552, 912576, 999488, 1311828, 1499232, 1749104, 2623656, 2998464, 3498208, 5247312, 6996416, 10494624, 20989248]

約数ペア:

[(1, 20989248), (2, 10494624), (3, 6996416), (4, 5247312), (6, 3498208), (7, 2998464), (8, 2623656), (12, 1749104), (14, 1499232), (16, 1311828), (21, 999488), (23, 912576), (24, 874552), (28, 749616), (32, 655914), (42, 499744), (46, 456288), (48, 437276), (49, 428352), (56, 374808), (64, 327957), (69, 304192), (84, 249872), (92, 228144), (96, 218638), (97, 216384), (98, 214176), (112, 187404), (138, 152096), (147, 142784), (161, 130368), (168, 124936), (184, 114072), (192, 109319), (194, 108192), (196, 107088), (224, 93702), (276, 76048), (291, 72128), (294, 71392), (322, 65184), (336, 62468), (368, 57036), (388, 54096), (392, 53544), (448, 46851), (483, 43456), (552, 38024), (582, 36064), (588, 35696), (644, 32592), (672, 31234), (679, 30912), (736, 28518), (776, 27048), (784, 26772), (966, 21728), (1104, 19012), (1127, 18624), (1164, 18032), (1176, 17848), (1288, 16296), (1344, 15617), (1358, 15456), (1472, 14259), (1552, 13524), (1568, 13386), (1932, 10864), (2037, 10304), (2208, 9506), (2231, 9408), (2254, 9312), (2328, 9016), (2352, 8924), (2576, 8148), (2716, 7728), (3104, 6762), (3136, 6693), (3381, 6208), (3864, 5432), (4074, 5152), (4416, 4753), (4462, 4704), (4508, 4656)]