20805965208

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:170

約数の個数: 576

約数和(自身を含む): 72521729280

約数和(自身を除く): 51715764072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 37, 42, 43, 54, 56, 62, 63, 72, 74, 81, 84, 86, 93, 108, 111, 124, 126, 129, 148, 162, 168, 172, 186, 189, 216, 217, 222, 243, 248, 252, 258, 259, 279, 296, 301, 324, 333, 344, 372, 378, 387, 434, 444, 486, 504, 516, 518, 558, 567, 602, 648, 651, 666, 744, 756, 774, 777, 837, 868, 888, 903, 961, 972, 999, 1032, 1036, 1116, 1134, 1147, 1161, 1204, 1302, 1332, 1333, 1512, 1548, 1554, 1591, 1674, 1701, 1736, 1806, 1922, 1944, 1953, 1998, 2072, 2232, 2268, 2294, 2322, 2331, 2408, 2511, 2604, 2664, 2666, 2709, 2883, 2997, 3096, 3108, 3182, 3348, 3402, 3441, 3483, 3612, 3844, 3906, 3996, 3999, 4536, 4588, 4644, 4662, 4773, 5022, 5208, 5332, 5418, 5766, 5859, 5994, 6216, 6364, 6696, 6727, 6804, 6882, 6966, 6993, 7224, 7533, 7688, 7812, 7992, 7998, 8029, 8127, 8649, 8991, 9176, 9288, 9324, 9331, 9546, 10044, 10323, 10449, 10664, 10836, 11137, 11532, 11718, 11988, 11997, 12728, 13454, 13608, 13764, 13932, 13986, 14319, 15066, 15624, 15996, 16058, 16254, 17298, 17577, 17982, 18648, 18662, 19092, 20088, 20181, 20646, 20898, 20979, 21672, 22274, 23064, 23436, 23976, 23994, 24087, 24381, 25947, 26908, 27528, 27864, 27972, 27993, 28638, 30132, 30969, 31992, 32116, 32508, 33411, 34596, 35154, 35557, 35964, 35991, 37324, 38184, 40362, 41292, 41323, 41796, 41958, 42957, 44548, 46872, 47988, 48174, 48762, 49321, 51894, 52731, 53816, 55944, 55986, 57276, 60264, 60543, 61938, 62937, 64232, 65016, 66822, 69192, 70308, 71114, 71928, 71982, 72261, 73143, 74648, 77841, 80724, 82584, 82646, 83592, 83916, 83979, 85914, 89096, 92907, 95976, 96348, 97524, 98642, 100233, 103788, 105462, 106671, 107973, 111972, 114552, 121086, 123876, 123969, 125874, 128871, 133644, 140616, 142228, 143964, 144522, 146286, 147963, 155682, 161448, 165292, 167832, 167958, 171828, 181629, 185814, 192696, 195048, 197284, 200466, 207576, 210924, 213342, 215946, 216783, 223944, 233523, 242172, 247752, 247938, 248899, 251748, 251937, 257742, 267288, 278721, 284456, 287928, 289044, 289261, 292572, 295926, 300699, 311364, 320013, 323919, 330584, 335916, 343656, 345247, 363258, 371628, 371907, 386613, 394568, 400932, 421848, 426684, 431892, 433566, 443889, 467046, 484344, 495876, 497798, 503496, 503874, 515484, 544887, 557442, 578088, 578522, 585144, 591852, 601398, 622728, 640026, 647838, 650349, 671832, 690494, 726516, 743256, 743814, 746697, 755811, 773226, 801864, 853368, 863784, 867132, 867783, 887778, 902097, 934092, 960039, 991752, 995596, 1007748, 1030968, 1035741, 1089774, 1114884, 1115721, 1157044, 1183704, 1202796, 1280052, 1295676, 1300698, 1331667, 1380988, 1453032, 1487628, 1493394, 1511622, 1528951, 1546452, 1634661, 1734264, 1735566, 1775556, 1804194, 1868184, 1920078, 1951047, 1991192, 2015496, 2071482, 2179548, 2229768, 2231442, 2240091, 2267433, 2314088, 2405592, 2560104, 2591352, 2601396, 2603349, 2663334, 2706291, 2761976, 2880117, 2975256, 2986788, 3023244, 3057902, 3092904, 3107223, 3269322, 3347163, 3471132, 3551112, 3608388, 3840156, 3902094, 3995001, 4142964, 4359096, 4462884, 4480182, 4534866, 4586853, 5202792, 5206698, 5326668, 5412582, 5760234, 5973576, 6046488, 6115804, 6214446, 6538644, 6694326, 6720273, 6942264, 7216776, 7680312, 7804188, 7810047, 7990002, 8285928, 8640351, 8925768, 8960364, 9069732, 9173706, 9321669, 10041489, 10413396, 10653336, 10702657, 10825164, 11520468, 11985003, 12231608, 12428892, 13077288, 13388652, 13440546, 13760559, 15608376, 15620094, 15980004, 17280702, 17920728, 18139464, 18347412, 18643338, 20082978, 20160819, 20826792, 21405314, 21650328, 23040936, 23430141, 23970006, 24857784, 26777304, 26881092, 27521118, 27965007, 31240188, 31960008, 32107971, 34561404, 36694824, 37286676, 40165956, 40321638, 41281677, 42810628, 46860282, 47940012, 53762184, 55042236, 55930014, 60482457, 62480376, 64215942, 69122808, 70290423, 74573352, 80331912, 80643276, 82563354, 83895021, 85621256, 93720564, 95880024, 96323913, 110084472, 111860028, 120964914, 123845031, 128431884, 140580846, 161286552, 165126708, 167790042, 187441128, 192647826, 223720056, 241929828, 247690062, 256863768, 281161692, 288971739, 330253416, 335580084, 371535093, 385295652, 483859656, 495380124, 562323384, 577943478, 671160168, 743070186, 770591304, 866915217, 990760248, 1155886956, 1486140372, 1733830434, 2311773912, 2600745651, 2972280744, 3467660868, 5201491302, 6935321736, 10402982604, 20805965208]

約数ペア:

[(1, 20805965208), (2, 10402982604), (3, 6935321736), (4, 5201491302), (6, 3467660868), (7, 2972280744), (8, 2600745651), (9, 2311773912), (12, 1733830434), (14, 1486140372), (18, 1155886956), (21, 990760248), (24, 866915217), (27, 770591304), (28, 743070186), (31, 671160168), (36, 577943478), (37, 562323384), (42, 495380124), (43, 483859656), (54, 385295652), (56, 371535093), (62, 335580084), (63, 330253416), (72, 288971739), (74, 281161692), (81, 256863768), (84, 247690062), (86, 241929828), (93, 223720056), (108, 192647826), (111, 187441128), (124, 167790042), (126, 165126708), (129, 161286552), (148, 140580846), (162, 128431884), (168, 123845031), (172, 120964914), (186, 111860028), (189, 110084472), (216, 96323913), (217, 95880024), (222, 93720564), (243, 85621256), (248, 83895021), (252, 82563354), (258, 80643276), (259, 80331912), (279, 74573352), (296, 70290423), (301, 69122808), (324, 64215942), (333, 62480376), (344, 60482457), (372, 55930014), (378, 55042236), (387, 53762184), (434, 47940012), (444, 46860282), (486, 42810628), (504, 41281677), (516, 40321638), (518, 40165956), (558, 37286676), (567, 36694824), (602, 34561404), (648, 32107971), (651, 31960008), (666, 31240188), (744, 27965007), (756, 27521118), (774, 26881092), (777, 26777304), (837, 24857784), (868, 23970006), (888, 23430141), (903, 23040936), (961, 21650328), (972, 21405314), (999, 20826792), (1032, 20160819), (1036, 20082978), (1116, 18643338), (1134, 18347412), (1147, 18139464), (1161, 17920728), (1204, 17280702), (1302, 15980004), (1332, 15620094), (1333, 15608376), (1512, 13760559), (1548, 13440546), (1554, 13388652), (1591, 13077288), (1674, 12428892), (1701, 12231608), (1736, 11985003), (1806, 11520468), (1922, 10825164), (1944, 10702657), (1953, 10653336), (1998, 10413396), (2072, 10041489), (2232, 9321669), (2268, 9173706), (2294, 9069732), (2322, 8960364), (2331, 8925768), (2408, 8640351), (2511, 8285928), (2604, 7990002), (2664, 7810047), (2666, 7804188), (2709, 7680312), (2883, 7216776), (2997, 6942264), (3096, 6720273), (3108, 6694326), (3182, 6538644), (3348, 6214446), (3402, 6115804), (3441, 6046488), (3483, 5973576), (3612, 5760234), (3844, 5412582), (3906, 5326668), (3996, 5206698), (3999, 5202792), (4536, 4586853), (4588, 4534866), (4644, 4480182), (4662, 4462884), (4773, 4359096), (5022, 4142964), (5208, 3995001), (5332, 3902094), (5418, 3840156), (5766, 3608388), (5859, 3551112), (5994, 3471132), (6216, 3347163), (6364, 3269322), (6696, 3107223), (6727, 3092904), (6804, 3057902), (6882, 3023244), (6966, 2986788), (6993, 2975256), (7224, 2880117), (7533, 2761976), (7688, 2706291), (7812, 2663334), (7992, 2603349), (7998, 2601396), (8029, 2591352), (8127, 2560104), (8649, 2405592), (8991, 2314088), (9176, 2267433), (9288, 2240091), (9324, 2231442), (9331, 2229768), (9546, 2179548), (10044, 2071482), (10323, 2015496), (10449, 1991192), (10664, 1951047), (10836, 1920078), (11137, 1868184), (11532, 1804194), (11718, 1775556), (11988, 1735566), (11997, 1734264), (12728, 1634661), (13454, 1546452), (13608, 1528951), (13764, 1511622), (13932, 1493394), (13986, 1487628), (14319, 1453032), (15066, 1380988), (15624, 1331667), (15996, 1300698), (16058, 1295676), (16254, 1280052), (17298, 1202796), (17577, 1183704), (17982, 1157044), (18648, 1115721), (18662, 1114884), (19092, 1089774), (20088, 1035741), (20181, 1030968), (20646, 1007748), (20898, 995596), (20979, 991752), (21672, 960039), (22274, 934092), (23064, 902097), (23436, 887778), (23976, 867783), (23994, 867132), (24087, 863784), (24381, 853368), (25947, 801864), (26908, 773226), (27528, 755811), (27864, 746697), (27972, 743814), (27993, 743256), (28638, 726516), (30132, 690494), (30969, 671832), (31992, 650349), (32116, 647838), (32508, 640026), (33411, 622728), (34596, 601398), (35154, 591852), (35557, 585144), (35964, 578522), (35991, 578088), (37324, 557442), (38184, 544887), (40362, 515484), (41292, 503874), (41323, 503496), (41796, 497798), (41958, 495876), (42957, 484344), (44548, 467046), (46872, 443889), (47988, 433566), (48174, 431892), (48762, 426684), (49321, 421848), (51894, 400932), (52731, 394568), (53816, 386613), (55944, 371907), (55986, 371628), (57276, 363258), (60264, 345247), (60543, 343656), (61938, 335916), (62937, 330584), (64232, 323919), (65016, 320013), (66822, 311364), (69192, 300699), (70308, 295926), (71114, 292572), (71928, 289261), (71982, 289044), (72261, 287928), (73143, 284456), (74648, 278721), (77841, 267288), (80724, 257742), (82584, 251937), (82646, 251748), (83592, 248899), (83916, 247938), (83979, 247752), (85914, 242172), (89096, 233523), (92907, 223944), (95976, 216783), (96348, 215946), (97524, 213342), (98642, 210924), (100233, 207576), (103788, 200466), (105462, 197284), (106671, 195048), (107973, 192696), (111972, 185814), (114552, 181629), (121086, 171828), (123876, 167958), (123969, 167832), (125874, 165292), (128871, 161448), (133644, 155682), (140616, 147963), (142228, 146286), (143964, 144522)]