20485430784

素因数分解:

$2^9\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 480

約数和(自身を含む): 74325451200

約数和(自身を除く): 53840020416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 64, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 128, 144, 147, 156, 168, 182, 192, 196, 208, 224, 234, 252, 256, 273, 288, 294, 312, 336, 343, 364, 384, 392, 416, 441, 448, 468, 504, 512, 546, 576, 588, 624, 637, 672, 686, 728, 768, 784, 819, 832, 882, 896, 936, 997, 1008, 1029, 1092, 1152, 1176, 1248, 1274, 1344, 1372, 1456, 1536, 1568, 1638, 1664, 1764, 1792, 1872, 1911, 1994, 2016, 2058, 2184, 2304, 2352, 2496, 2548, 2688, 2744, 2912, 2991, 3087, 3136, 3276, 3328, 3528, 3584, 3744, 3822, 3988, 4032, 4116, 4368, 4459, 4608, 4704, 4992, 5096, 5376, 5488, 5733, 5824, 5982, 6174, 6272, 6552, 6656, 6979, 7056, 7488, 7644, 7976, 8064, 8232, 8736, 8918, 8973, 9408, 9984, 10192, 10752, 10976, 11466, 11648, 11964, 12348, 12544, 12961, 13104, 13377, 13958, 14112, 14976, 15288, 15952, 16128, 16464, 17472, 17836, 17946, 18816, 19968, 20384, 20937, 21952, 22932, 23296, 23928, 24696, 25088, 25922, 26208, 26754, 27916, 28224, 29952, 30576, 31904, 32256, 32928, 34944, 35672, 35892, 37632, 38883, 40131, 40768, 41874, 43904, 45864, 46592, 47856, 48853, 49392, 51844, 52416, 53508, 55832, 56448, 59904, 61152, 62811, 63808, 65856, 69888, 71344, 71784, 75264, 77766, 80262, 81536, 83748, 87808, 90727, 91728, 95712, 97706, 98784, 103688, 104832, 107016, 111664, 112896, 116649, 122304, 125622, 127616, 131712, 139776, 142688, 143568, 146559, 155532, 160524, 163072, 167496, 175616, 181454, 183456, 191424, 195412, 197568, 207376, 209664, 214032, 223328, 225792, 233298, 244608, 251244, 255232, 263424, 272181, 285376, 287136, 293118, 311064, 321048, 326144, 334992, 341971, 362908, 366912, 382848, 390824, 395136, 414752, 419328, 428064, 439677, 446656, 466596, 489216, 502488, 510464, 526848, 544362, 570752, 574272, 586236, 622128, 635089, 642096, 669984, 683942, 725816, 733824, 765696, 781648, 790272, 816543, 829504, 856128, 879354, 893312, 933192, 978432, 1004976, 1025913, 1088724, 1141504, 1148544, 1172472, 1244256, 1270178, 1284192, 1339968, 1367884, 1451632, 1467648, 1531392, 1563296, 1580544, 1633086, 1659008, 1712256, 1758708, 1786624, 1866384, 1905267, 2009952, 2051826, 2177448, 2283008, 2297088, 2344944, 2488512, 2540356, 2568384, 2679936, 2735768, 2903264, 2935296, 3077739, 3126592, 3266172, 3318016, 3424512, 3517416, 3573248, 3732768, 3810534, 4019904, 4103652, 4354896, 4445623, 4594176, 4689888, 4977024, 5080712, 5136768, 5359872, 5471536, 5715801, 5806528, 6155478, 6253184, 6532344, 6636032, 6849024, 7034832, 7465536, 7621068, 8039808, 8207304, 8709792, 8891246, 9379776, 9954048, 10161424, 10273536, 10719744, 10943072, 11431602, 11613056, 12310956, 12506368, 13064688, 13336869, 14069664, 14931072, 15242136, 16079616, 16414608, 17419584, 17782492, 18759552, 19908096, 20322848, 20547072, 21886144, 22863204, 23226112, 24621912, 25012736, 26129376, 26673738, 28139328, 29862144, 30484272, 32159232, 32829216, 34839168, 35564984, 37519104, 40010607, 40645696, 43772288, 45726408, 46452224, 49243824, 52258752, 53347476, 56278656, 59724288, 60968544, 65658432, 69678336, 71129968, 75038208, 80021214, 81291392, 87544576, 91452816, 98487648, 104517504, 106694952, 112557312, 121937088, 131316864, 139356672, 142259936, 160042428, 162582784, 175089152, 182905632, 196975296, 209035008, 213389904, 225114624, 243874176, 262633728, 284519872, 320084856, 325165568, 365811264, 393950592, 418070016, 426779808, 487748352, 525267456, 569039744, 640169712, 731622528, 787901184, 853559616, 975496704, 1138079488, 1280339424, 1463245056, 1575802368, 1707119232, 2276158976, 2560678848, 2926490112, 3414238464, 5121357696, 6828476928, 10242715392, 20485430784]

約数ペア:

[(1, 20485430784), (2, 10242715392), (3, 6828476928), (4, 5121357696), (6, 3414238464), (7, 2926490112), (8, 2560678848), (9, 2276158976), (12, 1707119232), (13, 1575802368), (14, 1463245056), (16, 1280339424), (18, 1138079488), (21, 975496704), (24, 853559616), (26, 787901184), (28, 731622528), (32, 640169712), (36, 569039744), (39, 525267456), (42, 487748352), (48, 426779808), (49, 418070016), (52, 393950592), (56, 365811264), (63, 325165568), (64, 320084856), (72, 284519872), (78, 262633728), (84, 243874176), (91, 225114624), (96, 213389904), (98, 209035008), (104, 196975296), (112, 182905632), (117, 175089152), (126, 162582784), (128, 160042428), (144, 142259936), (147, 139356672), (156, 131316864), (168, 121937088), (182, 112557312), (192, 106694952), (196, 104517504), (208, 98487648), (224, 91452816), (234, 87544576), (252, 81291392), (256, 80021214), (273, 75038208), (288, 71129968), (294, 69678336), (312, 65658432), (336, 60968544), (343, 59724288), (364, 56278656), (384, 53347476), (392, 52258752), (416, 49243824), (441, 46452224), (448, 45726408), (468, 43772288), (504, 40645696), (512, 40010607), (546, 37519104), (576, 35564984), (588, 34839168), (624, 32829216), (637, 32159232), (672, 30484272), (686, 29862144), (728, 28139328), (768, 26673738), (784, 26129376), (819, 25012736), (832, 24621912), (882, 23226112), (896, 22863204), (936, 21886144), (997, 20547072), (1008, 20322848), (1029, 19908096), (1092, 18759552), (1152, 17782492), (1176, 17419584), (1248, 16414608), (1274, 16079616), (1344, 15242136), (1372, 14931072), (1456, 14069664), (1536, 13336869), (1568, 13064688), (1638, 12506368), (1664, 12310956), (1764, 11613056), (1792, 11431602), (1872, 10943072), (1911, 10719744), (1994, 10273536), (2016, 10161424), (2058, 9954048), (2184, 9379776), (2304, 8891246), (2352, 8709792), (2496, 8207304), (2548, 8039808), (2688, 7621068), (2744, 7465536), (2912, 7034832), (2991, 6849024), (3087, 6636032), (3136, 6532344), (3276, 6253184), (3328, 6155478), (3528, 5806528), (3584, 5715801), (3744, 5471536), (3822, 5359872), (3988, 5136768), (4032, 5080712), (4116, 4977024), (4368, 4689888), (4459, 4594176), (4608, 4445623), (4704, 4354896), (4992, 4103652), (5096, 4019904), (5376, 3810534), (5488, 3732768), (5733, 3573248), (5824, 3517416), (5982, 3424512), (6174, 3318016), (6272, 3266172), (6552, 3126592), (6656, 3077739), (6979, 2935296), (7056, 2903264), (7488, 2735768), (7644, 2679936), (7976, 2568384), (8064, 2540356), (8232, 2488512), (8736, 2344944), (8918, 2297088), (8973, 2283008), (9408, 2177448), (9984, 2051826), (10192, 2009952), (10752, 1905267), (10976, 1866384), (11466, 1786624), (11648, 1758708), (11964, 1712256), (12348, 1659008), (12544, 1633086), (12961, 1580544), (13104, 1563296), (13377, 1531392), (13958, 1467648), (14112, 1451632), (14976, 1367884), (15288, 1339968), (15952, 1284192), (16128, 1270178), (16464, 1244256), (17472, 1172472), (17836, 1148544), (17946, 1141504), (18816, 1088724), (19968, 1025913), (20384, 1004976), (20937, 978432), (21952, 933192), (22932, 893312), (23296, 879354), (23928, 856128), (24696, 829504), (25088, 816543), (25922, 790272), (26208, 781648), (26754, 765696), (27916, 733824), (28224, 725816), (29952, 683942), (30576, 669984), (31904, 642096), (32256, 635089), (32928, 622128), (34944, 586236), (35672, 574272), (35892, 570752), (37632, 544362), (38883, 526848), (40131, 510464), (40768, 502488), (41874, 489216), (43904, 466596), (45864, 446656), (46592, 439677), (47856, 428064), (48853, 419328), (49392, 414752), (51844, 395136), (52416, 390824), (53508, 382848), (55832, 366912), (56448, 362908), (59904, 341971), (61152, 334992), (62811, 326144), (63808, 321048), (65856, 311064), (69888, 293118), (71344, 287136), (71784, 285376), (75264, 272181), (77766, 263424), (80262, 255232), (81536, 251244), (83748, 244608), (87808, 233298), (90727, 225792), (91728, 223328), (95712, 214032), (97706, 209664), (98784, 207376), (103688, 197568), (104832, 195412), (107016, 191424), (111664, 183456), (112896, 181454), (116649, 175616), (122304, 167496), (125622, 163072), (127616, 160524), (131712, 155532), (139776, 146559), (142688, 143568)]