20848464

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 240

約数和(自身を含む): 75467392

約数和(自身を除く): 54618928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 37, 39, 42, 43, 48, 52, 56, 63, 72, 74, 78, 84, 86, 91, 104, 111, 112, 117, 126, 129, 144, 148, 156, 168, 172, 182, 208, 222, 234, 252, 258, 259, 273, 296, 301, 312, 333, 336, 344, 364, 387, 444, 468, 481, 504, 516, 518, 546, 559, 592, 602, 624, 666, 688, 728, 774, 777, 819, 888, 903, 936, 962, 1008, 1032, 1036, 1092, 1118, 1204, 1332, 1443, 1456, 1548, 1554, 1591, 1638, 1677, 1776, 1806, 1872, 1924, 2064, 2072, 2184, 2236, 2331, 2408, 2664, 2709, 2886, 3096, 3108, 3182, 3276, 3354, 3367, 3612, 3848, 3913, 4144, 4329, 4368, 4472, 4662, 4773, 4816, 5031, 5328, 5418, 5772, 6192, 6216, 6364, 6552, 6708, 6734, 7224, 7696, 7826, 8658, 8944, 9324, 9546, 10062, 10101, 10836, 11137, 11544, 11739, 12432, 12728, 13104, 13416, 13468, 14319, 14448, 15652, 17316, 18648, 19092, 20124, 20202, 20683, 21672, 22274, 23088, 23478, 25456, 26832, 26936, 28638, 30303, 31304, 33411, 34632, 35217, 37296, 38184, 40248, 40404, 41366, 43344, 44548, 46956, 53872, 57276, 60606, 62049, 62608, 66822, 69264, 70434, 76368, 80496, 80808, 82732, 89096, 93912, 100233, 114552, 121212, 124098, 133644, 140868, 144781, 161616, 165464, 178192, 186147, 187824, 200466, 229104, 242424, 248196, 267288, 281736, 289562, 330928, 372294, 400932, 434343, 484848, 496392, 534576, 563472, 579124, 744588, 801864, 868686, 992784, 1158248, 1303029, 1489176, 1603728, 1737372, 2316496, 2606058, 2978352, 3474744, 5212116, 6949488, 10424232, 20848464]

約数ペア:

[(1, 20848464), (2, 10424232), (3, 6949488), (4, 5212116), (6, 3474744), (7, 2978352), (8, 2606058), (9, 2316496), (12, 1737372), (13, 1603728), (14, 1489176), (16, 1303029), (18, 1158248), (21, 992784), (24, 868686), (26, 801864), (28, 744588), (36, 579124), (37, 563472), (39, 534576), (42, 496392), (43, 484848), (48, 434343), (52, 400932), (56, 372294), (63, 330928), (72, 289562), (74, 281736), (78, 267288), (84, 248196), (86, 242424), (91, 229104), (104, 200466), (111, 187824), (112, 186147), (117, 178192), (126, 165464), (129, 161616), (144, 144781), (148, 140868), (156, 133644), (168, 124098), (172, 121212), (182, 114552), (208, 100233), (222, 93912), (234, 89096), (252, 82732), (258, 80808), (259, 80496), (273, 76368), (296, 70434), (301, 69264), (312, 66822), (333, 62608), (336, 62049), (344, 60606), (364, 57276), (387, 53872), (444, 46956), (468, 44548), (481, 43344), (504, 41366), (516, 40404), (518, 40248), (546, 38184), (559, 37296), (592, 35217), (602, 34632), (624, 33411), (666, 31304), (688, 30303), (728, 28638), (774, 26936), (777, 26832), (819, 25456), (888, 23478), (903, 23088), (936, 22274), (962, 21672), (1008, 20683), (1032, 20202), (1036, 20124), (1092, 19092), (1118, 18648), (1204, 17316), (1332, 15652), (1443, 14448), (1456, 14319), (1548, 13468), (1554, 13416), (1591, 13104), (1638, 12728), (1677, 12432), (1776, 11739), (1806, 11544), (1872, 11137), (1924, 10836), (2064, 10101), (2072, 10062), (2184, 9546), (2236, 9324), (2331, 8944), (2408, 8658), (2664, 7826), (2709, 7696), (2886, 7224), (3096, 6734), (3108, 6708), (3182, 6552), (3276, 6364), (3354, 6216), (3367, 6192), (3612, 5772), (3848, 5418), (3913, 5328), (4144, 5031), (4329, 4816), (4368, 4773), (4472, 4662)]