20212777728

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2056

約数の個数: 432

約数和(自身を含む): 70711280640

約数和(自身を除く): 50498502912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 31, 32, 33, 36, 39, 44, 48, 52, 62, 64, 66, 72, 78, 88, 93, 96, 99, 104, 117, 124, 128, 132, 143, 144, 156, 176, 186, 192, 198, 208, 234, 248, 256, 264, 279, 286, 288, 312, 341, 352, 372, 384, 396, 403, 416, 429, 468, 496, 528, 558, 572, 576, 624, 682, 704, 744, 768, 792, 806, 832, 858, 936, 992, 1023, 1056, 1116, 1144, 1152, 1209, 1248, 1287, 1364, 1408, 1488, 1584, 1612, 1664, 1716, 1872, 1979, 1984, 2046, 2112, 2232, 2288, 2304, 2418, 2496, 2574, 2728, 2816, 2976, 3069, 3168, 3224, 3328, 3432, 3627, 3744, 3958, 3968, 4092, 4224, 4433, 4464, 4576, 4836, 4992, 5148, 5456, 5937, 5952, 6138, 6336, 6448, 6864, 7254, 7488, 7916, 7936, 8184, 8448, 8866, 8928, 9152, 9672, 9984, 10296, 10912, 11874, 11904, 12276, 12672, 12896, 13299, 13728, 14508, 14976, 15832, 16368, 17732, 17811, 17856, 18304, 19344, 20592, 21769, 21824, 23748, 23808, 24552, 25344, 25727, 25792, 26598, 27456, 29016, 29952, 31664, 32736, 35464, 35622, 35712, 36608, 38688, 39897, 41184, 43538, 43648, 47496, 49104, 51454, 51584, 53196, 54912, 58032, 61349, 63328, 65307, 65472, 70928, 71244, 71424, 77181, 77376, 79794, 82368, 87076, 87296, 94992, 98208, 102908, 103168, 106392, 109824, 116064, 122698, 126656, 130614, 130944, 141856, 142488, 154362, 154752, 159588, 164736, 174152, 184047, 189984, 195921, 196416, 205816, 212784, 231543, 232128, 245396, 253312, 261228, 261888, 282997, 283712, 284976, 308724, 309504, 319176, 329472, 348304, 368094, 379968, 391842, 392832, 411632, 425568, 463086, 464256, 490792, 506624, 522456, 552141, 565994, 567424, 569952, 617448, 638352, 674839, 696608, 736188, 759936, 783684, 785664, 797537, 823264, 848991, 851136, 926172, 928512, 981584, 1044912, 1104282, 1131988, 1134848, 1139904, 1234896, 1276704, 1349678, 1393216, 1472376, 1519872, 1567368, 1595074, 1646528, 1697982, 1702272, 1852344, 1963168, 2024517, 2089824, 2208564, 2263976, 2279808, 2392611, 2469792, 2546973, 2553408, 2699356, 2786432, 2944752, 3134736, 3190148, 3293056, 3395964, 3404544, 3704688, 3926336, 4049034, 4179648, 4417128, 4527952, 4559616, 4785222, 4939584, 5093946, 5106816, 5398712, 5572864, 5889504, 6073551, 6269472, 6380296, 6586112, 6791928, 7177833, 7409376, 7852672, 8098068, 8359296, 8772907, 8834256, 9055904, 9570444, 9879168, 10187892, 10213632, 10797424, 11779008, 12147102, 12538944, 12760592, 13583856, 14355666, 14818752, 15705344, 16196136, 16718592, 17545814, 17668512, 18111808, 19140888, 19758336, 20375784, 21594848, 23558016, 24294204, 25077888, 25521184, 26318721, 27167712, 28711332, 29637504, 32392272, 35091628, 35337024, 36223616, 38281776, 40751568, 43189696, 47116032, 48588408, 50155776, 51042368, 52637442, 54335424, 57422664, 59275008, 64784544, 70183256, 70674048, 72447232, 76563552, 78956163, 81503136, 86379392, 97176816, 102084736, 105274884, 108670848, 114845328, 129569088, 140366512, 141348096, 153127104, 157912326, 163006272, 172758784, 194353632, 204169472, 210549768, 217341696, 229690656, 259138176, 280733024, 306254208, 315824652, 326012544, 388707264, 421099536, 459381312, 518276352, 561466048, 612508416, 631649304, 652025088, 777414528, 842199072, 918762624, 1122932096, 1263298608, 1554829056, 1684398144, 1837525248, 2245864192, 2526597216, 3368796288, 5053194432, 6737592576, 10106388864, 20212777728]

約数ペア:

[(1, 20212777728), (2, 10106388864), (3, 6737592576), (4, 5053194432), (6, 3368796288), (8, 2526597216), (9, 2245864192), (11, 1837525248), (12, 1684398144), (13, 1554829056), (16, 1263298608), (18, 1122932096), (22, 918762624), (24, 842199072), (26, 777414528), (31, 652025088), (32, 631649304), (33, 612508416), (36, 561466048), (39, 518276352), (44, 459381312), (48, 421099536), (52, 388707264), (62, 326012544), (64, 315824652), (66, 306254208), (72, 280733024), (78, 259138176), (88, 229690656), (93, 217341696), (96, 210549768), (99, 204169472), (104, 194353632), (117, 172758784), (124, 163006272), (128, 157912326), (132, 153127104), (143, 141348096), (144, 140366512), (156, 129569088), (176, 114845328), (186, 108670848), (192, 105274884), (198, 102084736), (208, 97176816), (234, 86379392), (248, 81503136), (256, 78956163), (264, 76563552), (279, 72447232), (286, 70674048), (288, 70183256), (312, 64784544), (341, 59275008), (352, 57422664), (372, 54335424), (384, 52637442), (396, 51042368), (403, 50155776), (416, 48588408), (429, 47116032), (468, 43189696), (496, 40751568), (528, 38281776), (558, 36223616), (572, 35337024), (576, 35091628), (624, 32392272), (682, 29637504), (704, 28711332), (744, 27167712), (768, 26318721), (792, 25521184), (806, 25077888), (832, 24294204), (858, 23558016), (936, 21594848), (992, 20375784), (1023, 19758336), (1056, 19140888), (1116, 18111808), (1144, 17668512), (1152, 17545814), (1209, 16718592), (1248, 16196136), (1287, 15705344), (1364, 14818752), (1408, 14355666), (1488, 13583856), (1584, 12760592), (1612, 12538944), (1664, 12147102), (1716, 11779008), (1872, 10797424), (1979, 10213632), (1984, 10187892), (2046, 9879168), (2112, 9570444), (2232, 9055904), (2288, 8834256), (2304, 8772907), (2418, 8359296), (2496, 8098068), (2574, 7852672), (2728, 7409376), (2816, 7177833), (2976, 6791928), (3069, 6586112), (3168, 6380296), (3224, 6269472), (3328, 6073551), (3432, 5889504), (3627, 5572864), (3744, 5398712), (3958, 5106816), (3968, 5093946), (4092, 4939584), (4224, 4785222), (4433, 4559616), (4464, 4527952), (4576, 4417128), (4836, 4179648), (4992, 4049034), (5148, 3926336), (5456, 3704688), (5937, 3404544), (5952, 3395964), (6138, 3293056), (6336, 3190148), (6448, 3134736), (6864, 2944752), (7254, 2786432), (7488, 2699356), (7916, 2553408), (7936, 2546973), (8184, 2469792), (8448, 2392611), (8866, 2279808), (8928, 2263976), (9152, 2208564), (9672, 2089824), (9984, 2024517), (10296, 1963168), (10912, 1852344), (11874, 1702272), (11904, 1697982), (12276, 1646528), (12672, 1595074), (12896, 1567368), (13299, 1519872), (13728, 1472376), (14508, 1393216), (14976, 1349678), (15832, 1276704), (16368, 1234896), (17732, 1139904), (17811, 1134848), (17856, 1131988), (18304, 1104282), (19344, 1044912), (20592, 981584), (21769, 928512), (21824, 926172), (23748, 851136), (23808, 848991), (24552, 823264), (25344, 797537), (25727, 785664), (25792, 783684), (26598, 759936), (27456, 736188), (29016, 696608), (29952, 674839), (31664, 638352), (32736, 617448), (35464, 569952), (35622, 567424), (35712, 565994), (36608, 552141), (38688, 522456), (39897, 506624), (41184, 490792), (43538, 464256), (43648, 463086), (47496, 425568), (49104, 411632), (51454, 392832), (51584, 391842), (53196, 379968), (54912, 368094), (58032, 348304), (61349, 329472), (63328, 319176), (65307, 309504), (65472, 308724), (70928, 284976), (71244, 283712), (71424, 282997), (77181, 261888), (77376, 261228), (79794, 253312), (82368, 245396), (87076, 232128), (87296, 231543), (94992, 212784), (98208, 205816), (102908, 196416), (103168, 195921), (106392, 189984), (109824, 184047), (116064, 174152), (122698, 164736), (126656, 159588), (130614, 154752), (130944, 154362), (141856, 142488)]