20998327896

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:626

約数の個数: 576

約数和(自身を含む): 76405754880

約数和(自身を除く): 55407426984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 31, 36, 39, 42, 49, 52, 54, 56, 62, 63, 72, 78, 81, 84, 91, 93, 98, 104, 108, 117, 124, 126, 147, 156, 162, 168, 182, 186, 189, 196, 216, 217, 234, 243, 248, 252, 273, 279, 294, 312, 324, 351, 364, 372, 378, 392, 403, 434, 441, 468, 486, 504, 546, 547, 558, 567, 588, 637, 648, 651, 702, 728, 744, 756, 806, 819, 837, 868, 882, 936, 972, 1053, 1092, 1094, 1116, 1134, 1176, 1209, 1274, 1302, 1323, 1404, 1512, 1519, 1612, 1638, 1641, 1674, 1701, 1736, 1764, 1911, 1944, 1953, 2106, 2184, 2188, 2232, 2268, 2418, 2457, 2511, 2548, 2604, 2646, 2808, 2821, 3038, 3159, 3224, 3276, 3282, 3348, 3402, 3528, 3627, 3822, 3829, 3906, 3969, 4212, 4376, 4536, 4557, 4836, 4914, 4923, 5022, 5096, 5208, 5292, 5642, 5733, 5859, 6076, 6318, 6552, 6564, 6696, 6804, 7111, 7254, 7371, 7533, 7644, 7658, 7812, 7938, 8424, 8463, 9114, 9672, 9828, 9846, 10044, 10584, 10881, 11284, 11466, 11487, 11718, 11907, 12152, 12636, 13128, 13608, 13671, 14222, 14508, 14742, 14769, 15066, 15288, 15316, 15624, 15876, 16926, 16957, 17199, 17577, 18228, 19656, 19692, 19747, 20088, 21333, 21762, 22113, 22568, 22932, 22974, 23436, 23814, 25272, 25389, 26803, 27342, 28444, 29016, 29484, 29538, 30132, 30632, 31752, 32643, 33852, 33914, 34398, 34461, 35154, 36456, 39384, 39494, 41013, 42666, 43524, 44226, 44307, 45864, 45948, 46872, 47628, 49777, 50778, 50871, 51597, 52731, 53606, 54684, 56888, 58968, 59076, 59241, 60264, 63999, 65286, 67704, 67828, 68796, 68922, 70308, 76167, 78988, 80409, 82026, 85332, 87048, 88452, 88614, 91896, 95256, 97929, 99554, 101556, 101742, 103194, 103383, 105462, 107212, 109368, 118152, 118482, 118699, 123039, 127998, 130572, 132921, 135656, 137592, 137844, 140616, 149331, 152334, 152613, 154791, 157976, 160818, 164052, 170664, 176904, 177228, 177723, 191997, 195858, 199108, 203112, 203484, 206388, 206766, 210924, 214424, 220441, 228501, 236964, 237398, 241227, 246078, 255996, 261144, 265842, 275688, 298662, 304668, 305226, 309582, 310149, 321636, 328104, 348439, 354456, 355446, 356097, 369117, 383994, 391716, 398216, 406968, 412776, 413532, 421848, 440882, 447993, 457002, 457839, 473928, 474796, 482454, 492156, 511992, 531684, 533169, 575991, 597324, 609336, 610452, 619164, 620298, 643272, 661323, 685503, 696878, 710892, 712194, 723681, 738234, 767988, 783432, 827064, 830893, 881764, 895986, 914004, 915678, 930447, 949592, 964908, 984312, 1045317, 1063368, 1066338, 1068291, 1151982, 1194648, 1220904, 1238328, 1240596, 1322646, 1343979, 1371006, 1373517, 1393756, 1421784, 1424388, 1447362, 1476468, 1535976, 1543087, 1599507, 1661786, 1727973, 1763528, 1791972, 1828008, 1831356, 1860894, 1929816, 1983969, 2090634, 2132676, 2136582, 2171043, 2303964, 2481192, 2492679, 2645292, 2687958, 2742012, 2747034, 2787512, 2848776, 2894724, 2952936, 3086174, 3135951, 3199014, 3204873, 3323572, 3455946, 3583944, 3662712, 3721788, 3967938, 4031937, 4120551, 4181268, 4265352, 4273164, 4342086, 4607928, 4629261, 4798521, 4985358, 5290584, 5375916, 5484024, 5494068, 5789448, 5951907, 6172348, 6271902, 6398028, 6409746, 6513129, 6647144, 6911892, 7443576, 7478037, 7935876, 8063874, 8241102, 8362536, 8546328, 8684172, 9258522, 9407853, 9597042, 9614619, 9970716, 10751832, 10801609, 10988136, 11903814, 12095811, 12344696, 12543804, 12796056, 12819492, 13026258, 13823784, 13887783, 14956074, 15871752, 16127748, 16482204, 17368344, 17855721, 18517044, 18815706, 19194084, 19229238, 19941432, 21603218, 22434111, 23807628, 24191622, 25087608, 25638984, 26052516, 27775566, 28223559, 28843857, 29912148, 32255496, 32404827, 32964408, 35711442, 37034088, 37631412, 38388168, 38458476, 41663349, 43206436, 44868222, 47615256, 48383244, 52105032, 53567163, 55551132, 56447118, 57687714, 59824296, 64809654, 67302333, 71422884, 75262824, 76916952, 83326698, 84670677, 86412872, 89736444, 96766488, 97214481, 107134326, 111102264, 112894236, 115375428, 124990047, 129619308, 134604666, 142845768, 166653396, 169341354, 179472888, 194428962, 201906999, 214268652, 225788472, 230750856, 249980094, 259238616, 269209332, 291643443, 333306792, 338682708, 374970141, 388857924, 403813998, 428537304, 499960188, 538418664, 583286886, 677365416, 749940282, 777715848, 807627996, 874930329, 999920376, 1166573772, 1499880564, 1615255992, 1749860658, 2333147544, 2624790987, 2999761128, 3499721316, 5249581974, 6999442632, 10499163948, 20998327896]

約数ペア:

[(1, 20998327896), (2, 10499163948), (3, 6999442632), (4, 5249581974), (6, 3499721316), (7, 2999761128), (8, 2624790987), (9, 2333147544), (12, 1749860658), (13, 1615255992), (14, 1499880564), (18, 1166573772), (21, 999920376), (24, 874930329), (26, 807627996), (27, 777715848), (28, 749940282), (31, 677365416), (36, 583286886), (39, 538418664), (42, 499960188), (49, 428537304), (52, 403813998), (54, 388857924), (56, 374970141), (62, 338682708), (63, 333306792), (72, 291643443), (78, 269209332), (81, 259238616), (84, 249980094), (91, 230750856), (93, 225788472), (98, 214268652), (104, 201906999), (108, 194428962), (117, 179472888), (124, 169341354), (126, 166653396), (147, 142845768), (156, 134604666), (162, 129619308), (168, 124990047), (182, 115375428), (186, 112894236), (189, 111102264), (196, 107134326), (216, 97214481), (217, 96766488), (234, 89736444), (243, 86412872), (248, 84670677), (252, 83326698), (273, 76916952), (279, 75262824), (294, 71422884), (312, 67302333), (324, 64809654), (351, 59824296), (364, 57687714), (372, 56447118), (378, 55551132), (392, 53567163), (403, 52105032), (434, 48383244), (441, 47615256), (468, 44868222), (486, 43206436), (504, 41663349), (546, 38458476), (547, 38388168), (558, 37631412), (567, 37034088), (588, 35711442), (637, 32964408), (648, 32404827), (651, 32255496), (702, 29912148), (728, 28843857), (744, 28223559), (756, 27775566), (806, 26052516), (819, 25638984), (837, 25087608), (868, 24191622), (882, 23807628), (936, 22434111), (972, 21603218), (1053, 19941432), (1092, 19229238), (1094, 19194084), (1116, 18815706), (1134, 18517044), (1176, 17855721), (1209, 17368344), (1274, 16482204), (1302, 16127748), (1323, 15871752), (1404, 14956074), (1512, 13887783), (1519, 13823784), (1612, 13026258), (1638, 12819492), (1641, 12796056), (1674, 12543804), (1701, 12344696), (1736, 12095811), (1764, 11903814), (1911, 10988136), (1944, 10801609), (1953, 10751832), (2106, 9970716), (2184, 9614619), (2188, 9597042), (2232, 9407853), (2268, 9258522), (2418, 8684172), (2457, 8546328), (2511, 8362536), (2548, 8241102), (2604, 8063874), (2646, 7935876), (2808, 7478037), (2821, 7443576), (3038, 6911892), (3159, 6647144), (3224, 6513129), (3276, 6409746), (3282, 6398028), (3348, 6271902), (3402, 6172348), (3528, 5951907), (3627, 5789448), (3822, 5494068), (3829, 5484024), (3906, 5375916), (3969, 5290584), (4212, 4985358), (4376, 4798521), (4536, 4629261), (4557, 4607928), (4836, 4342086), (4914, 4273164), (4923, 4265352), (5022, 4181268), (5096, 4120551), (5208, 4031937), (5292, 3967938), (5642, 3721788), (5733, 3662712), (5859, 3583944), (6076, 3455946), (6318, 3323572), (6552, 3204873), (6564, 3199014), (6696, 3135951), (6804, 3086174), (7111, 2952936), (7254, 2894724), (7371, 2848776), (7533, 2787512), (7644, 2747034), (7658, 2742012), (7812, 2687958), (7938, 2645292), (8424, 2492679), (8463, 2481192), (9114, 2303964), (9672, 2171043), (9828, 2136582), (9846, 2132676), (10044, 2090634), (10584, 1983969), (10881, 1929816), (11284, 1860894), (11466, 1831356), (11487, 1828008), (11718, 1791972), (11907, 1763528), (12152, 1727973), (12636, 1661786), (13128, 1599507), (13608, 1543087), (13671, 1535976), (14222, 1476468), (14508, 1447362), (14742, 1424388), (14769, 1421784), (15066, 1393756), (15288, 1373517), (15316, 1371006), (15624, 1343979), (15876, 1322646), (16926, 1240596), (16957, 1238328), (17199, 1220904), (17577, 1194648), (18228, 1151982), (19656, 1068291), (19692, 1066338), (19747, 1063368), (20088, 1045317), (21333, 984312), (21762, 964908), (22113, 949592), (22568, 930447), (22932, 915678), (22974, 914004), (23436, 895986), (23814, 881764), (25272, 830893), (25389, 827064), (26803, 783432), (27342, 767988), (28444, 738234), (29016, 723681), (29484, 712194), (29538, 710892), (30132, 696878), (30632, 685503), (31752, 661323), (32643, 643272), (33852, 620298), (33914, 619164), (34398, 610452), (34461, 609336), (35154, 597324), (36456, 575991), (39384, 533169), (39494, 531684), (41013, 511992), (42666, 492156), (43524, 482454), (44226, 474796), (44307, 473928), (45864, 457839), (45948, 457002), (46872, 447993), (47628, 440882), (49777, 421848), (50778, 413532), (50871, 412776), (51597, 406968), (52731, 398216), (53606, 391716), (54684, 383994), (56888, 369117), (58968, 356097), (59076, 355446), (59241, 354456), (60264, 348439), (63999, 328104), (65286, 321636), (67704, 310149), (67828, 309582), (68796, 305226), (68922, 304668), (70308, 298662), (76167, 275688), (78988, 265842), (80409, 261144), (82026, 255996), (85332, 246078), (87048, 241227), (88452, 237398), (88614, 236964), (91896, 228501), (95256, 220441), (97929, 214424), (99554, 210924), (101556, 206766), (101742, 206388), (103194, 203484), (103383, 203112), (105462, 199108), (107212, 195858), (109368, 191997), (118152, 177723), (118482, 177228), (118699, 176904), (123039, 170664), (127998, 164052), (130572, 160818), (132921, 157976), (135656, 154791), (137592, 152613), (137844, 152334), (140616, 149331)]