20772864

素因数分解:

$2^{11}\times 3^2\times 7^2\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 216

約数和(自身を含む): 72825480

約数和(自身を除く): 52052616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 49, 56, 63, 64, 69, 72, 84, 92, 96, 98, 112, 126, 128, 138, 144, 147, 161, 168, 184, 192, 196, 207, 224, 252, 256, 276, 288, 294, 322, 336, 368, 384, 392, 414, 441, 448, 483, 504, 512, 552, 576, 588, 644, 672, 736, 768, 784, 828, 882, 896, 966, 1008, 1024, 1104, 1127, 1152, 1176, 1288, 1344, 1449, 1472, 1536, 1568, 1656, 1764, 1792, 1932, 2016, 2048, 2208, 2254, 2304, 2352, 2576, 2688, 2898, 2944, 3072, 3136, 3312, 3381, 3528, 3584, 3864, 4032, 4416, 4508, 4608, 4704, 5152, 5376, 5796, 5888, 6144, 6272, 6624, 6762, 7056, 7168, 7728, 8064, 8832, 9016, 9216, 9408, 10143, 10304, 10752, 11592, 11776, 12544, 13248, 13524, 14112, 14336, 15456, 16128, 17664, 18032, 18432, 18816, 20286, 20608, 21504, 23184, 23552, 25088, 26496, 27048, 28224, 30912, 32256, 35328, 36064, 37632, 40572, 41216, 43008, 46368, 47104, 50176, 52992, 54096, 56448, 61824, 64512, 70656, 72128, 75264, 81144, 82432, 92736, 100352, 105984, 108192, 112896, 123648, 129024, 141312, 144256, 150528, 162288, 164864, 185472, 211968, 216384, 225792, 247296, 288512, 301056, 324576, 329728, 370944, 423936, 432768, 451584, 494592, 577024, 649152, 741888, 865536, 903168, 989184, 1154048, 1298304, 1483776, 1731072, 2308096, 2596608, 2967552, 3462144, 5193216, 6924288, 10386432, 20772864]

約数ペア:

[(1, 20772864), (2, 10386432), (3, 6924288), (4, 5193216), (6, 3462144), (7, 2967552), (8, 2596608), (9, 2308096), (12, 1731072), (14, 1483776), (16, 1298304), (18, 1154048), (21, 989184), (23, 903168), (24, 865536), (28, 741888), (32, 649152), (36, 577024), (42, 494592), (46, 451584), (48, 432768), (49, 423936), (56, 370944), (63, 329728), (64, 324576), (69, 301056), (72, 288512), (84, 247296), (92, 225792), (96, 216384), (98, 211968), (112, 185472), (126, 164864), (128, 162288), (138, 150528), (144, 144256), (147, 141312), (161, 129024), (168, 123648), (184, 112896), (192, 108192), (196, 105984), (207, 100352), (224, 92736), (252, 82432), (256, 81144), (276, 75264), (288, 72128), (294, 70656), (322, 64512), (336, 61824), (368, 56448), (384, 54096), (392, 52992), (414, 50176), (441, 47104), (448, 46368), (483, 43008), (504, 41216), (512, 40572), (552, 37632), (576, 36064), (588, 35328), (644, 32256), (672, 30912), (736, 28224), (768, 27048), (784, 26496), (828, 25088), (882, 23552), (896, 23184), (966, 21504), (1008, 20608), (1024, 20286), (1104, 18816), (1127, 18432), (1152, 18032), (1176, 17664), (1288, 16128), (1344, 15456), (1449, 14336), (1472, 14112), (1536, 13524), (1568, 13248), (1656, 12544), (1764, 11776), (1792, 11592), (1932, 10752), (2016, 10304), (2048, 10143), (2208, 9408), (2254, 9216), (2304, 9016), (2352, 8832), (2576, 8064), (2688, 7728), (2898, 7168), (2944, 7056), (3072, 6762), (3136, 6624), (3312, 6272), (3381, 6144), (3528, 5888), (3584, 5796), (3864, 5376), (4032, 5152), (4416, 4704), (4508, 4608)]