20401984512

素因数分解:

$2^{10}\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 1056

約数和(自身を含む): 81115437312

約数和(自身を除く): 60713452800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 27, 28, 32, 34, 36, 39, 42, 48, 51, 52, 53, 54, 56, 63, 64, 68, 72, 78, 81, 84, 91, 96, 102, 104, 106, 108, 112, 117, 119, 126, 128, 136, 144, 153, 156, 159, 162, 168, 182, 189, 192, 204, 208, 212, 216, 221, 224, 234, 238, 243, 252, 256, 272, 273, 288, 306, 312, 318, 324, 336, 351, 357, 364, 371, 378, 384, 408, 416, 424, 432, 442, 448, 459, 468, 476, 477, 486, 504, 512, 544, 546, 567, 576, 612, 624, 636, 648, 663, 672, 689, 702, 714, 728, 742, 756, 768, 816, 819, 832, 848, 864, 884, 896, 901, 918, 936, 952, 954, 972, 1008, 1024, 1053, 1071, 1088, 1092, 1113, 1134, 1152, 1224, 1248, 1272, 1296, 1326, 1344, 1377, 1378, 1404, 1428, 1431, 1456, 1484, 1512, 1536, 1547, 1632, 1638, 1664, 1696, 1701, 1728, 1768, 1792, 1802, 1836, 1872, 1904, 1908, 1944, 1989, 2016, 2067, 2106, 2142, 2176, 2184, 2226, 2268, 2304, 2448, 2457, 2496, 2544, 2592, 2652, 2688, 2703, 2754, 2756, 2808, 2856, 2862, 2912, 2968, 3024, 3072, 3094, 3159, 3213, 3264, 3276, 3328, 3339, 3392, 3402, 3456, 3536, 3584, 3604, 3672, 3744, 3808, 3816, 3888, 3978, 4032, 4131, 4134, 4212, 4284, 4293, 4352, 4368, 4452, 4536, 4608, 4641, 4823, 4896, 4914, 4992, 5088, 5184, 5304, 5376, 5406, 5508, 5512, 5616, 5712, 5724, 5824, 5936, 5967, 6048, 6188, 6201, 6307, 6318, 6426, 6528, 6552, 6656, 6678, 6784, 6804, 6912, 7072, 7168, 7208, 7344, 7371, 7488, 7616, 7632, 7776, 7956, 8064, 8109, 8262, 8268, 8424, 8568, 8586, 8704, 8736, 8904, 9072, 9216, 9282, 9639, 9646, 9792, 9828, 9984, 10017, 10176, 10368, 10608, 10752, 10812, 11016, 11024, 11232, 11424, 11448, 11648, 11713, 11872, 11934, 12096, 12376, 12402, 12614, 12636, 12852, 12879, 13056, 13104, 13312, 13356, 13568, 13608, 13824, 13923, 14144, 14416, 14469, 14688, 14742, 14976, 15232, 15264, 15552, 15912, 16128, 16218, 16524, 16536, 16848, 17136, 17172, 17408, 17472, 17808, 17901, 18144, 18564, 18603, 18921, 19278, 19292, 19584, 19656, 19968, 20034, 20352, 20736, 21216, 21504, 21624, 22032, 22048, 22113, 22464, 22848, 22896, 23296, 23426, 23744, 23868, 24192, 24327, 24752, 24804, 25228, 25272, 25704, 25758, 26112, 26208, 26712, 27136, 27216, 27648, 27846, 28288, 28832, 28917, 28938, 29376, 29484, 29952, 30051, 30464, 30528, 31104, 31824, 32256, 32436, 33048, 33072, 33696, 34272, 34344, 34944, 35139, 35616, 35802, 36288, 37128, 37206, 37842, 38556, 38584, 39168, 39312, 39936, 40068, 40704, 41472, 41769, 42432, 43248, 43407, 44064, 44096, 44226, 44928, 45696, 45792, 46592, 46852, 47488, 47736, 48384, 48654, 49504, 49608, 50456, 50544, 51408, 51516, 52224, 52416, 53424, 53703, 54272, 54432, 55692, 55809, 56576, 56763, 57664, 57834, 57876, 58752, 58968, 59904, 60102, 60928, 61056, 62208, 63648, 64512, 64872, 66096, 66144, 67392, 68544, 68688, 69888, 70278, 71232, 71604, 72576, 72981, 74256, 74412, 75684, 77112, 77168, 78336, 78624, 80136, 81408, 81991, 82944, 83538, 84864, 86496, 86814, 88128, 88192, 88452, 89856, 90153, 91392, 91584, 93184, 93704, 94976, 95472, 96768, 97308, 99008, 99216, 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360612, 365568, 366336, 374816, 375921, 379904, 381888, 389232, 390663, 396032, 396864, 403648, 404352, 411264, 412128, 419328, 421668, 427392, 429624, 435456, 437886, 445536, 446472, 454104, 461312, 462672, 463008, 470016, 471744, 480816, 488448, 491946, 501228, 509184, 510867, 518976, 520884, 528768, 529152, 539136, 548352, 549504, 562224, 569856, 572832, 580608, 583848, 594048, 595296, 605472, 616896, 617344, 628992, 632502, 641088, 655928, 668304, 669708, 678912, 681156, 691968, 694512, 705024, 705536, 707616, 721224, 732672, 737919, 749632, 751842, 763776, 778464, 781326, 792064, 793728, 807296, 808704, 822528, 824256, 838656, 843336, 854784, 859248, 870912, 875772, 891072, 892944, 908208, 922624, 925344, 926016, 943488, 948753, 961632, 983892, 1002456, 1018368, 1021734, 1037952, 1041768, 1057536, 1058304, 1078272, 1096704, 1099008, 1124448, 1139712, 1145664, 1167696, 1171989, 1188096, 1190592, 1210944, 1233792, 1234688, 1257984, 1265004, 1282176, 1311856, 1336608, 1339416, 1362312, 1383936, 1389024, 1410048, 1415232, 1442448, 1465344, 1475838, 1499264, 1503684, 1527552, 1532601, 1556928, 1562652, 1584128, 1587456, 1614592, 1617408, 1645056, 1648512, 1686672, 1709568, 1718496, 1741824, 1751544, 1782144, 1785888, 1816416, 1850688, 1852032, 1886976, 1897506, 1923264, 1967784, 2004912, 2036736, 2043468, 2075904, 2083536, 2115072, 2116608, 2198016, 2213757, 2248896, 2291328, 2335392, 2343978, 2376192, 2381184, 2421888, 2467584, 2469376, 2515968, 2530008, 2564352, 2623712, 2673216, 2678832, 2724624, 2767872, 2778048, 2830464, 2846259, 2884896, 2951676, 2998528, 3007368, 3055104, 3065202, 3113856, 3125304, 3174912, 3229184, 3234816, 3290112, 3297024, 3373344, 3419136, 3436992, 3503088, 3564288, 3571776, 3632832, 3701376, 3704064, 3773952, 3795012, 3846528, 3935568, 4009824, 4086936, 4151808, 4167072, 4230144, 4396032, 4427514, 4497792, 4582656, 4670784, 4687956, 4752384, 4762368, 4843776, 4935168, 4938752, 5060016, 5128704, 5247424, 5346432, 5357664, 5449248, 5556096, 5660928, 5692518, 5769792, 5903352, 5997056, 6014736, 6110208, 6130404, 6227712, 6250608, 6349824, 6458368, 6594048, 6641271, 6746688, 6873984, 7006176, 7128576, 7143552, 7265664, 7402752, 7408128, 7547904, 7590024, 7693056, 7871136, 8019648, 8173872, 8303616, 8334144, 8855028, 8995584, 9165312, 9341568, 9375912, 9524736, 9687552, 9870336, 10120032, 10257408, 10494848, 10692864, 10715328, 10898496, 11112192, 11321856, 11385036, 11539584, 11806704, 11994112, 12029472, 12260808, 12455424, 12501216, 13188096, 13282542, 13493376, 13747968, 14012352, 14257152, 14287104, 14531328, 14805504, 14816256, 15180048, 15386112, 15742272, 16039296, 16347744, 16668288, 17710056, 17991168, 18330624, 18683136, 18751824, 19049472, 19375104, 19923813, 20240064, 20989696, 21385728, 21430656, 21796992, 22224384, 22643712, 22770072, 23079168, 23613408, 24058944, 24521616, 24910848, 25002432, 26565084, 26986752, 27495936, 28024704, 28574208, 29062656, 29611008, 30360096, 30772224, 31484544, 32078592, 32695488, 33336576, 35420112, 35982336, 37366272, 37503648, 39847626, 40480128, 41979392, 42771456, 42861312, 43593984, 44448768, 45540144, 46158336, 47226816, 48117888, 49043232, 50004864, 53130168, 53973504, 54991872, 56049408, 57148416, 58125312, 60720192, 62969088, 64157184, 65390976, 66673152, 70840224, 74732544, 75007296, 79695252, 80960256, 83958784, 85722624, 87187968, 91080288, 92316672, 94453632, 96235776, 98086464, 100009728, 106260336, 107947008, 112098816, 121440384, 125938176, 128314368, 130781952, 133346304, 141680448, 150014592, 159390504, 161920512, 171445248, 174375936, 182160576, 188907264, 192471552, 196172928, 200019456, 212520672, 224197632, 242880768, 251876352, 261563904, 283360896, 300029184, 318781008, 323841024, 364321152, 377814528, 384943104, 392345856, 400038912, 425041344, 485761536, 523127808, 566721792, 600058368, 637562016, 728642304, 755629056, 784691712, 850082688, 971523072, 1133443584, 1200116736, 1275124032, 1457284608, 1569383424, 1700165376, 2266887168, 2550248064, 2914569216, 3400330752, 5100496128, 6800661504, 10200992256, 20401984512]

約数ペア:

[(1, 20401984512), (2, 10200992256), (3, 6800661504), (4, 5100496128), (6, 3400330752), (7, 2914569216), (8, 2550248064), (9, 2266887168), (12, 1700165376), (13, 1569383424), (14, 1457284608), (16, 1275124032), (17, 1200116736), (18, 1133443584), (21, 971523072), (24, 850082688), (26, 784691712), (27, 755629056), (28, 728642304), (32, 637562016), (34, 600058368), (36, 566721792), (39, 523127808), (42, 485761536), (48, 425041344), (51, 400038912), (52, 392345856), (53, 384943104), (54, 377814528), (56, 364321152), (63, 323841024), (64, 318781008), (68, 300029184), (72, 283360896), (78, 261563904), (81, 251876352), (84, 242880768), (91, 224197632), (96, 212520672), (102, 200019456), (104, 196172928), (106, 192471552), (108, 188907264), (112, 182160576), (117, 174375936), (119, 171445248), (126, 161920512), (128, 159390504), (136, 150014592), (144, 141680448), (153, 133346304), (156, 130781952), (159, 128314368), (162, 125938176), (168, 121440384), (182, 112098816), (189, 107947008), (192, 106260336), (204, 100009728), (208, 98086464), (212, 96235776), (216, 94453632), (221, 92316672), (224, 91080288), (234, 87187968), (238, 85722624), (243, 83958784), (252, 80960256), (256, 79695252), (272, 75007296), (273, 74732544), (288, 70840224), (306, 66673152), (312, 65390976), (318, 64157184), (324, 62969088), (336, 60720192), (351, 58125312), (357, 57148416), (364, 56049408), (371, 54991872), (378, 53973504), (384, 53130168), (408, 50004864), (416, 49043232), (424, 48117888), (432, 47226816), (442, 46158336), (448, 45540144), (459, 44448768), (468, 43593984), (476, 42861312), (477, 42771456), (486, 41979392), (504, 40480128), (512, 39847626), (544, 37503648), (546, 37366272), (567, 35982336), (576, 35420112), (612, 33336576), (624, 32695488), (636, 32078592), (648, 31484544), (663, 30772224), (672, 30360096), (689, 29611008), (702, 29062656), (714, 28574208), (728, 28024704), (742, 27495936), (756, 26986752), (768, 26565084), (816, 25002432), (819, 24910848), (832, 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(5376, 3795012), (5406, 3773952), (5508, 3704064), (5512, 3701376), (5616, 3632832), (5712, 3571776), (5724, 3564288), (5824, 3503088), (5936, 3436992), (5967, 3419136), (6048, 3373344), (6188, 3297024), (6201, 3290112), (6307, 3234816), (6318, 3229184), (6426, 3174912), (6528, 3125304), (6552, 3113856), (6656, 3065202), (6678, 3055104), (6784, 3007368), (6804, 2998528), (6912, 2951676), (7072, 2884896), (7168, 2846259), (7208, 2830464), (7344, 2778048), (7371, 2767872), (7488, 2724624), (7616, 2678832), (7632, 2673216), (7776, 2623712), (7956, 2564352), (8064, 2530008), (8109, 2515968), (8262, 2469376), (8268, 2467584), (8424, 2421888), (8568, 2381184), (8586, 2376192), (8704, 2343978), (8736, 2335392), (8904, 2291328), (9072, 2248896), (9216, 2213757), (9282, 2198016), (9639, 2116608), (9646, 2115072), (9792, 2083536), (9828, 2075904), (9984, 2043468), (10017, 2036736), (10176, 2004912), (10368, 1967784), (10608, 1923264), (10752, 1897506), (10812, 1886976), (11016, 1852032), (11024, 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(21216, 961632), (21504, 948753), (21624, 943488), (22032, 926016), (22048, 925344), (22113, 922624), (22464, 908208), (22848, 892944), (22896, 891072), (23296, 875772), (23426, 870912), (23744, 859248), (23868, 854784), (24192, 843336), (24327, 838656), (24752, 824256), (24804, 822528), (25228, 808704), (25272, 807296), (25704, 793728), (25758, 792064), (26112, 781326), (26208, 778464), (26712, 763776), (27136, 751842), (27216, 749632), (27648, 737919), (27846, 732672), (28288, 721224), (28832, 707616), (28917, 705536), (28938, 705024), (29376, 694512), (29484, 691968), (29952, 681156), (30051, 678912), (30464, 669708), (30528, 668304), (31104, 655928), (31824, 641088), (32256, 632502), (32436, 628992), (33048, 617344), (33072, 616896), (33696, 605472), (34272, 595296), (34344, 594048), (34944, 583848), (35139, 580608), (35616, 572832), (35802, 569856), (36288, 562224), (37128, 549504), (37206, 548352), (37842, 539136), (38556, 529152), (38584, 528768), (39168, 520884), (39312, 518976), (39936, 510867), (40068, 509184), (40704, 501228), (41472, 491946), (41769, 488448), (42432, 480816), (43248, 471744), (43407, 470016), (44064, 463008), (44096, 462672), (44226, 461312), (44928, 454104), (45696, 446472), (45792, 445536), (46592, 437886), (46852, 435456), (47488, 429624), (47736, 427392), (48384, 421668), (48654, 419328), (49504, 412128), (49608, 411264), (50456, 404352), (50544, 403648), (51408, 396864), (51516, 396032), (52224, 390663), (52416, 389232), (53424, 381888), (53703, 379904), (54272, 375921), (54432, 374816), (55692, 366336), (55809, 365568), (56576, 360612), (56763, 359424), (57664, 353808), (57834, 352768), (57876, 352512), (58752, 347256), (58968, 345984), (59904, 340578), (60102, 339456), (60928, 334854), (61056, 334152), (62208, 327964), (63648, 320544), (64512, 316251), (64872, 314496), (66096, 308672), (66144, 308448), (67392, 302736), (68544, 297648), (68688, 297024), (69888, 291924), (70278, 290304), (71232, 286416), (71604, 284928), (72576, 281112), (72981, 279552), (74256, 274752), (74412, 274176), (75684, 269568), (77112, 264576), (77168, 264384), (78336, 260442), (78624, 259488), (80136, 254592), (81408, 250614), (81991, 248832), (82944, 245973), (83538, 244224), (84864, 240408), (86496, 235872), (86814, 235008), (88128, 231504), (88192, 231336), (88452, 230656), (89856, 227052), (90153, 226304), (91392, 223236), (91584, 222768), (93184, 218943), (93704, 217728), (94976, 214812), (95472, 213696), (96768, 210834), (97308, 209664), (99008, 206064), (99216, 205632), (100912, 202176), (101088, 201824), (102816, 198432), (103032, 198016), (104832, 194616), (105417, 193536), (106848, 190944), (107406, 189952), (108864, 187408), (111384, 183168), (111618, 182784), (113152, 180306), (113526, 179712), (115328, 176904), (115668, 176384), (115752, 176256), (117504, 173628), (117936, 172992), (119808, 170289), (120204, 169728), (121856, 167427), (122112, 167076), (124416, 163982), (125307, 162816), (127296, 160272), (129744, 157248), (130221, 156672), (132192, 154336), (132288, 154224), (134784, 151368), (137088, 148824), (137376, 148512), (139776, 145962), (140556, 145152), (142464, 143208)]