20819232

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49942368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 449, 483, 504, 552, 644, 672, 736, 828, 898, 966, 1008, 1104, 1288, 1347, 1449, 1656, 1796, 1932, 2016, 2208, 2576, 2694, 2898, 3143, 3312, 3592, 3864, 4041, 5152, 5388, 5796, 6286, 6624, 7184, 7728, 8082, 9429, 10327, 10776, 11592, 12572, 14368, 15456, 16164, 18858, 20654, 21552, 23184, 25144, 28287, 30981, 32328, 37716, 41308, 43104, 46368, 50288, 56574, 61962, 64656, 72289, 75432, 82616, 92943, 100576, 113148, 123924, 129312, 144578, 150864, 165232, 185886, 216867, 226296, 247848, 289156, 301728, 330464, 371772, 433734, 452592, 495696, 578312, 650601, 743544, 867468, 905184, 991392, 1156624, 1301202, 1487088, 1734936, 2313248, 2602404, 2974176, 3469872, 5204808, 6939744, 10409616, 20819232]

約数ペア:

[(1, 20819232), (2, 10409616), (3, 6939744), (4, 5204808), (6, 3469872), (7, 2974176), (8, 2602404), (9, 2313248), (12, 1734936), (14, 1487088), (16, 1301202), (18, 1156624), (21, 991392), (23, 905184), (24, 867468), (28, 743544), (32, 650601), (36, 578312), (42, 495696), (46, 452592), (48, 433734), (56, 371772), (63, 330464), (69, 301728), (72, 289156), (84, 247848), (92, 226296), (96, 216867), (112, 185886), (126, 165232), (138, 150864), (144, 144578), (161, 129312), (168, 123924), (184, 113148), (207, 100576), (224, 92943), (252, 82616), (276, 75432), (288, 72289), (322, 64656), (336, 61962), (368, 56574), (414, 50288), (449, 46368), (483, 43104), (504, 41308), (552, 37716), (644, 32328), (672, 30981), (736, 28287), (828, 25144), (898, 23184), (966, 21552), (1008, 20654), (1104, 18858), (1288, 16164), (1347, 15456), (1449, 14368), (1656, 12572), (1796, 11592), (1932, 10776), (2016, 10327), (2208, 9429), (2576, 8082), (2694, 7728), (2898, 7184), (3143, 6624), (3312, 6286), (3592, 5796), (3864, 5388), (4041, 5152)]