20284992

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 280

約数和(自身を含む): 75728576

約数和(自身を除く): 55443584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 43, 48, 52, 54, 56, 63, 64, 72, 78, 81, 84, 86, 91, 96, 104, 108, 112, 117, 126, 129, 144, 156, 162, 168, 172, 182, 189, 192, 208, 216, 224, 234, 252, 258, 273, 288, 301, 312, 324, 336, 344, 351, 364, 378, 387, 416, 432, 448, 468, 504, 516, 546, 559, 567, 576, 602, 624, 648, 672, 688, 702, 728, 756, 774, 819, 832, 864, 903, 936, 1008, 1032, 1053, 1092, 1118, 1134, 1161, 1204, 1248, 1296, 1344, 1376, 1404, 1456, 1512, 1548, 1638, 1677, 1728, 1806, 1872, 2016, 2064, 2106, 2184, 2236, 2268, 2322, 2408, 2457, 2496, 2592, 2709, 2752, 2808, 2912, 3024, 3096, 3276, 3354, 3483, 3612, 3744, 3913, 4032, 4128, 4212, 4368, 4472, 4536, 4644, 4816, 4914, 5031, 5184, 5418, 5616, 5824, 6048, 6192, 6552, 6708, 6966, 7224, 7371, 7488, 7826, 8127, 8256, 8424, 8736, 8944, 9072, 9288, 9632, 9828, 10062, 10836, 11232, 11739, 12096, 12384, 13104, 13416, 13932, 14448, 14742, 15093, 15652, 16254, 16848, 17472, 17888, 18144, 18576, 19264, 19656, 20124, 21672, 22464, 23478, 24381, 24768, 26208, 26832, 27864, 28896, 29484, 30186, 31304, 32508, 33696, 35217, 35776, 36288, 37152, 39312, 40248, 43344, 45279, 46956, 48762, 52416, 53664, 55728, 57792, 58968, 60372, 62608, 65016, 67392, 70434, 74304, 78624, 80496, 86688, 90558, 93912, 97524, 105651, 107328, 111456, 117936, 120744, 125216, 130032, 140868, 157248, 160992, 173376, 181116, 187824, 195048, 211302, 222912, 235872, 241488, 250432, 260064, 281736, 316953, 321984, 362232, 375648, 390096, 422604, 471744, 482976, 520128, 563472, 633906, 724464, 751296, 780192, 845208, 965952, 1126944, 1267812, 1448928, 1560384, 1690416, 2253888, 2535624, 2897856, 3380832, 5071248, 6761664, 10142496, 20284992]

約数ペア:

[(1, 20284992), (2, 10142496), (3, 6761664), (4, 5071248), (6, 3380832), (7, 2897856), (8, 2535624), (9, 2253888), (12, 1690416), (13, 1560384), (14, 1448928), (16, 1267812), (18, 1126944), (21, 965952), (24, 845208), (26, 780192), (27, 751296), (28, 724464), (32, 633906), (36, 563472), (39, 520128), (42, 482976), (43, 471744), (48, 422604), (52, 390096), (54, 375648), (56, 362232), (63, 321984), (64, 316953), (72, 281736), (78, 260064), (81, 250432), (84, 241488), (86, 235872), (91, 222912), (96, 211302), (104, 195048), (108, 187824), (112, 181116), (117, 173376), (126, 160992), (129, 157248), (144, 140868), (156, 130032), (162, 125216), (168, 120744), (172, 117936), (182, 111456), (189, 107328), (192, 105651), (208, 97524), (216, 93912), (224, 90558), (234, 86688), (252, 80496), (258, 78624), (273, 74304), (288, 70434), (301, 67392), (312, 65016), (324, 62608), (336, 60372), (344, 58968), (351, 57792), (364, 55728), (378, 53664), (387, 52416), (416, 48762), (432, 46956), (448, 45279), (468, 43344), (504, 40248), (516, 39312), (546, 37152), (559, 36288), (567, 35776), (576, 35217), (602, 33696), (624, 32508), (648, 31304), (672, 30186), (688, 29484), (702, 28896), (728, 27864), (756, 26832), (774, 26208), (819, 24768), (832, 24381), (864, 23478), (903, 22464), (936, 21672), (1008, 20124), (1032, 19656), (1053, 19264), (1092, 18576), (1118, 18144), (1134, 17888), (1161, 17472), (1204, 16848), (1248, 16254), (1296, 15652), (1344, 15093), (1376, 14742), (1404, 14448), (1456, 13932), (1512, 13416), (1548, 13104), (1638, 12384), (1677, 12096), (1728, 11739), (1806, 11232), (1872, 10836), (2016, 10062), (2064, 9828), (2106, 9632), (2184, 9288), (2236, 9072), (2268, 8944), (2322, 8736), (2408, 8424), (2457, 8256), (2496, 8127), (2592, 7826), (2709, 7488), (2752, 7371), (2808, 7224), (2912, 6966), (3024, 6708), (3096, 6552), (3276, 6192), (3354, 6048), (3483, 5824), (3612, 5616), (3744, 5418), (3913, 5184), (4032, 5031), (4128, 4914), (4212, 4816), (4368, 4644), (4472, 4536)]