20217017664

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 448

約数和(自身を含む): 64607846400

約数和(自身を除く): 44390828736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 47, 48, 54, 64, 69, 72, 79, 92, 94, 96, 108, 137, 138, 141, 144, 158, 184, 188, 192, 207, 216, 237, 274, 276, 282, 288, 316, 368, 376, 411, 414, 423, 432, 474, 548, 552, 564, 576, 621, 632, 711, 736, 752, 822, 828, 846, 864, 948, 1081, 1096, 1104, 1128, 1233, 1242, 1264, 1269, 1422, 1472, 1504, 1644, 1656, 1692, 1728, 1817, 1896, 2133, 2162, 2192, 2208, 2256, 2466, 2484, 2528, 2538, 2844, 3008, 3151, 3243, 3288, 3312, 3384, 3634, 3699, 3713, 3792, 4266, 4324, 4384, 4416, 4512, 4932, 4968, 5056, 5076, 5451, 5688, 6302, 6439, 6486, 6576, 6624, 6768, 7268, 7398, 7426, 7584, 8532, 8648, 8768, 9024, 9453, 9729, 9864, 9936, 10152, 10823, 10902, 11139, 11376, 12604, 12878, 12972, 13152, 13248, 13536, 14536, 14796, 14852, 15168, 16353, 17064, 17296, 18906, 19317, 19458, 19728, 19872, 20304, 21646, 21804, 22278, 22752, 25208, 25756, 25944, 26304, 27072, 28359, 29072, 29187, 29592, 29704, 32469, 32706, 33417, 34128, 34592, 37812, 38634, 38916, 39456, 39744, 40608, 43292, 43608, 44556, 45504, 49059, 50416, 51512, 51888, 56718, 57951, 58144, 58374, 59184, 59408, 64938, 65412, 66834, 68256, 69184, 75624, 77268, 77832, 78912, 81216, 85077, 85399, 86584, 87216, 89112, 97407, 98118, 100251, 100832, 103024, 103776, 113436, 115902, 116288, 116748, 118368, 118816, 129876, 130824, 133668, 136512, 148097, 151248, 154536, 155664, 170154, 170798, 173168, 173853, 174432, 178224, 194814, 196236, 200502, 201664, 206048, 207552, 226872, 231804, 233496, 236736, 237632, 248929, 256197, 259752, 261648, 267336, 292221, 296194, 302496, 309072, 311328, 340308, 341596, 346336, 347706, 348864, 356448, 389628, 392472, 401004, 412096, 444291, 453744, 463608, 466992, 497858, 508681, 512394, 519504, 523296, 534672, 584442, 592388, 604992, 618144, 622656, 680616, 683192, 692672, 695412, 712896, 746787, 768591, 779256, 784944, 802008, 888582, 907488, 927216, 933984, 995716, 1017362, 1024788, 1039008, 1046592, 1069344, 1168884, 1184776, 1236288, 1332873, 1361232, 1366384, 1390824, 1493574, 1526043, 1537182, 1558512, 1569888, 1604016, 1777164, 1814976, 1854432, 1867968, 1991432, 2034724, 2049576, 2078016, 2138688, 2240361, 2305773, 2337768, 2369552, 2665746, 2722464, 2732768, 2781648, 2987148, 3052086, 3074364, 3117024, 3139776, 3208032, 3554328, 3708864, 3982864, 3998619, 4069448, 4099152, 4480722, 4578129, 4611546, 4675536, 4739104, 5331492, 5444928, 5465536, 5563296, 5974296, 6104172, 6148728, 6234048, 6416064, 6721083, 7108656, 7965728, 7997238, 8138896, 8198304, 8961444, 9156258, 9223092, 9351072, 9478208, 10662984, 11126592, 11699663, 11948592, 12208344, 12297456, 13442166, 13734387, 14217312, 15931456, 15994476, 16277792, 16396608, 17922888, 18312516, 18446184, 18702144, 21325968, 23399326, 23897184, 24416688, 24594912, 26884332, 27468774, 28434624, 31988952, 32555584, 35098989, 35845776, 36625032, 36892368, 42651936, 46798652, 47794368, 48833376, 49189824, 53768664, 54937548, 63977904, 70197978, 71691552, 73250064, 73784736, 85303872, 93597304, 97666752, 105296967, 107537328, 109875096, 127955808, 140395956, 143383104, 146500128, 147569472, 187194608, 210593934, 215074656, 219750192, 255911616, 280791912, 293000256, 315890901, 374389216, 421187868, 430149312, 439500384, 561583824, 631781802, 748778432, 842375736, 879000768, 1123167648, 1263563604, 1684751472, 2246335296, 2527127208, 3369502944, 5054254416, 6739005888, 10108508832, 20217017664]

約数ペア:

[(1, 20217017664), (2, 10108508832), (3, 6739005888), (4, 5054254416), (6, 3369502944), (8, 2527127208), (9, 2246335296), (12, 1684751472), (16, 1263563604), (18, 1123167648), (23, 879000768), (24, 842375736), (27, 748778432), (32, 631781802), (36, 561583824), (46, 439500384), (47, 430149312), (48, 421187868), (54, 374389216), (64, 315890901), (69, 293000256), (72, 280791912), (79, 255911616), (92, 219750192), (94, 215074656), (96, 210593934), (108, 187194608), (137, 147569472), (138, 146500128), (141, 143383104), (144, 140395956), (158, 127955808), (184, 109875096), (188, 107537328), (192, 105296967), (207, 97666752), (216, 93597304), (237, 85303872), (274, 73784736), (276, 73250064), (282, 71691552), (288, 70197978), (316, 63977904), (368, 54937548), (376, 53768664), (411, 49189824), (414, 48833376), (423, 47794368), (432, 46798652), (474, 42651936), (548, 36892368), (552, 36625032), (564, 35845776), (576, 35098989), (621, 32555584), (632, 31988952), (711, 28434624), (736, 27468774), (752, 26884332), (822, 24594912), (828, 24416688), (846, 23897184), (864, 23399326), (948, 21325968), (1081, 18702144), (1096, 18446184), (1104, 18312516), (1128, 17922888), (1233, 16396608), (1242, 16277792), (1264, 15994476), (1269, 15931456), (1422, 14217312), (1472, 13734387), (1504, 13442166), (1644, 12297456), (1656, 12208344), (1692, 11948592), (1728, 11699663), (1817, 11126592), (1896, 10662984), (2133, 9478208), (2162, 9351072), (2192, 9223092), (2208, 9156258), (2256, 8961444), (2466, 8198304), (2484, 8138896), (2528, 7997238), (2538, 7965728), (2844, 7108656), (3008, 6721083), (3151, 6416064), (3243, 6234048), (3288, 6148728), (3312, 6104172), (3384, 5974296), (3634, 5563296), (3699, 5465536), (3713, 5444928), (3792, 5331492), (4266, 4739104), (4324, 4675536), (4384, 4611546), (4416, 4578129), (4512, 4480722), (4932, 4099152), (4968, 4069448), (5056, 3998619), (5076, 3982864), (5451, 3708864), (5688, 3554328), (6302, 3208032), (6439, 3139776), (6486, 3117024), (6576, 3074364), (6624, 3052086), (6768, 2987148), (7268, 2781648), (7398, 2732768), (7426, 2722464), (7584, 2665746), (8532, 2369552), (8648, 2337768), (8768, 2305773), (9024, 2240361), (9453, 2138688), (9729, 2078016), (9864, 2049576), (9936, 2034724), (10152, 1991432), (10823, 1867968), (10902, 1854432), (11139, 1814976), (11376, 1777164), (12604, 1604016), (12878, 1569888), (12972, 1558512), (13152, 1537182), (13248, 1526043), (13536, 1493574), (14536, 1390824), (14796, 1366384), (14852, 1361232), (15168, 1332873), (16353, 1236288), (17064, 1184776), (17296, 1168884), (18906, 1069344), (19317, 1046592), (19458, 1039008), (19728, 1024788), (19872, 1017362), (20304, 995716), (21646, 933984), (21804, 927216), (22278, 907488), (22752, 888582), (25208, 802008), (25756, 784944), (25944, 779256), (26304, 768591), (27072, 746787), (28359, 712896), (29072, 695412), (29187, 692672), (29592, 683192), (29704, 680616), (32469, 622656), (32706, 618144), (33417, 604992), (34128, 592388), (34592, 584442), (37812, 534672), (38634, 523296), (38916, 519504), (39456, 512394), (39744, 508681), (40608, 497858), (43292, 466992), (43608, 463608), (44556, 453744), (45504, 444291), (49059, 412096), (50416, 401004), (51512, 392472), (51888, 389628), (56718, 356448), (57951, 348864), (58144, 347706), (58374, 346336), (59184, 341596), (59408, 340308), (64938, 311328), (65412, 309072), (66834, 302496), (68256, 296194), (69184, 292221), (75624, 267336), (77268, 261648), (77832, 259752), (78912, 256197), (81216, 248929), (85077, 237632), (85399, 236736), (86584, 233496), (87216, 231804), (89112, 226872), (97407, 207552), (98118, 206048), (100251, 201664), (100832, 200502), (103024, 196236), (103776, 194814), (113436, 178224), (115902, 174432), (116288, 173853), (116748, 173168), (118368, 170798), (118816, 170154), (129876, 155664), (130824, 154536), (133668, 151248), (136512, 148097)]