20721488256

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 512

約数和(自身を含む): 73698508800

約数和(自身を除く): 52977020544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 64, 69, 72, 84, 92, 96, 108, 112, 126, 128, 138, 144, 161, 167, 168, 184, 189, 192, 207, 216, 223, 224, 252, 276, 288, 322, 334, 336, 368, 378, 384, 414, 432, 446, 448, 483, 501, 504, 552, 576, 621, 644, 668, 669, 672, 736, 756, 828, 864, 892, 896, 966, 1002, 1008, 1104, 1152, 1169, 1242, 1288, 1336, 1338, 1344, 1449, 1472, 1503, 1512, 1561, 1656, 1728, 1784, 1932, 2004, 2007, 2016, 2208, 2338, 2484, 2576, 2672, 2676, 2688, 2898, 2944, 3006, 3024, 3122, 3312, 3456, 3507, 3568, 3841, 3864, 4008, 4014, 4032, 4347, 4416, 4509, 4676, 4683, 4968, 5129, 5152, 5344, 5352, 5796, 6012, 6021, 6048, 6244, 6624, 7014, 7136, 7682, 7728, 8016, 8028, 8064, 8694, 8832, 9018, 9352, 9366, 9936, 10258, 10304, 10521, 10688, 10704, 11523, 11592, 12024, 12042, 12096, 12488, 13248, 14028, 14049, 14272, 15364, 15387, 15456, 16032, 16056, 17388, 18036, 18704, 18732, 19872, 20516, 20608, 21042, 21376, 21408, 23046, 23184, 24048, 24084, 24192, 24976, 26496, 26887, 28056, 28098, 28544, 30728, 30774, 30912, 31563, 32064, 32112, 34569, 34776, 35903, 36072, 37241, 37408, 37464, 39744, 41032, 42084, 42147, 42816, 46092, 46161, 46368, 48096, 48168, 49952, 53774, 56112, 56196, 61456, 61548, 61824, 63126, 64128, 64224, 69138, 69552, 71806, 72144, 74482, 74816, 74928, 79488, 80661, 82064, 84168, 84294, 85632, 92184, 92322, 92736, 96192, 96336, 99904, 103707, 107548, 107709, 111723, 112224, 112392, 122912, 123096, 126252, 128448, 138276, 138483, 139104, 143612, 144288, 148964, 149632, 149856, 161322, 164128, 168336, 168588, 184368, 184644, 185472, 192384, 192672, 199808, 207414, 215096, 215418, 223446, 224448, 224784, 241983, 245824, 246192, 252504, 256896, 260687, 276552, 276966, 278208, 287224, 288576, 297928, 299712, 322644, 323127, 328256, 335169, 336672, 337176, 368736, 369288, 385344, 414828, 430192, 430836, 446892, 448896, 449568, 483966, 491648, 492384, 505008, 521374, 553104, 553932, 556416, 574448, 577152, 595856, 599424, 645288, 646254, 656512, 670338, 673344, 674352, 725949, 737472, 738576, 770688, 782061, 829656, 856543, 860384, 861672, 893784, 899136, 967932, 969381, 984768, 1005507, 1010016, 1042748, 1106208, 1107864, 1148896, 1191712, 1290576, 1292508, 1340676, 1346688, 1348704, 1451898, 1474944, 1477152, 1564122, 1659312, 1713086, 1720768, 1723344, 1787568, 1798272, 1935864, 1938762, 1969536, 2011014, 2020032, 2085496, 2212416, 2215728, 2297792, 2346183, 2383424, 2569629, 2581152, 2585016, 2681352, 2697408, 2903796, 2954304, 3128244, 3318624, 3426172, 3441536, 3446688, 3575136, 3871728, 3877524, 4022028, 4040064, 4170992, 4424832, 4431456, 4595584, 4692366, 4766848, 5139258, 5162304, 5170032, 5362704, 5394816, 5807592, 5908608, 5995801, 6256488, 6637248, 6852344, 6893376, 7038549, 7150272, 7708887, 7743456, 7755048, 8044056, 8341984, 8862912, 9384732, 10278516, 10324608, 10340064, 10725408, 11615184, 11991602, 12512976, 13274496, 13704688, 13786752, 14077098, 14300544, 15417774, 15486912, 15510096, 16088112, 16683968, 17725824, 17987403, 18769464, 20557032, 20680128, 21450816, 23126661, 23230368, 23983204, 25025952, 27409376, 28154196, 30835548, 30973824, 31020192, 32176224, 33367936, 35974806, 37538928, 41114064, 41360256, 42901632, 46253322, 46460736, 47966408, 50051904, 53962209, 54818752, 56308392, 61671096, 62040384, 64352448, 71949612, 75077856, 82228128, 92506644, 92921472, 95932816, 100103808, 107924418, 109637504, 112616784, 123342192, 124080768, 128704896, 143899224, 150155712, 161886627, 164456256, 185013288, 191865632, 215848836, 225233568, 246684384, 287798448, 300311424, 323773254, 328912512, 370026576, 383731264, 431697672, 450467136, 493368768, 575596896, 647546508, 740053152, 767462528, 863395344, 900934272, 986737536, 1151193792, 1295093016, 1480106304, 1726790688, 2302387584, 2590186032, 2960212608, 3453581376, 5180372064, 6907162752, 10360744128, 20721488256]

約数ペア:

[(1, 20721488256), (2, 10360744128), (3, 6907162752), (4, 5180372064), (6, 3453581376), (7, 2960212608), (8, 2590186032), (9, 2302387584), (12, 1726790688), (14, 1480106304), (16, 1295093016), (18, 1151193792), (21, 986737536), (23, 900934272), (24, 863395344), (27, 767462528), (28, 740053152), (32, 647546508), (36, 575596896), (42, 493368768), (46, 450467136), (48, 431697672), (54, 383731264), (56, 370026576), (63, 328912512), (64, 323773254), (69, 300311424), (72, 287798448), (84, 246684384), (92, 225233568), (96, 215848836), (108, 191865632), (112, 185013288), (126, 164456256), (128, 161886627), (138, 150155712), (144, 143899224), (161, 128704896), (167, 124080768), (168, 123342192), (184, 112616784), (189, 109637504), (192, 107924418), (207, 100103808), (216, 95932816), (223, 92921472), (224, 92506644), (252, 82228128), (276, 75077856), (288, 71949612), (322, 64352448), (334, 62040384), (336, 61671096), (368, 56308392), (378, 54818752), (384, 53962209), (414, 50051904), (432, 47966408), (446, 46460736), (448, 46253322), (483, 42901632), (501, 41360256), (504, 41114064), (552, 37538928), (576, 35974806), (621, 33367936), (644, 32176224), (668, 31020192), (669, 30973824), (672, 30835548), (736, 28154196), (756, 27409376), (828, 25025952), (864, 23983204), (892, 23230368), (896, 23126661), (966, 21450816), (1002, 20680128), (1008, 20557032), (1104, 18769464), (1152, 17987403), (1169, 17725824), (1242, 16683968), (1288, 16088112), (1336, 15510096), (1338, 15486912), (1344, 15417774), (1449, 14300544), (1472, 14077098), (1503, 13786752), (1512, 13704688), (1561, 13274496), (1656, 12512976), (1728, 11991602), (1784, 11615184), (1932, 10725408), (2004, 10340064), (2007, 10324608), (2016, 10278516), (2208, 9384732), (2338, 8862912), (2484, 8341984), (2576, 8044056), (2672, 7755048), (2676, 7743456), (2688, 7708887), (2898, 7150272), (2944, 7038549), (3006, 6893376), (3024, 6852344), (3122, 6637248), (3312, 6256488), (3456, 5995801), (3507, 5908608), (3568, 5807592), (3841, 5394816), (3864, 5362704), (4008, 5170032), (4014, 5162304), (4032, 5139258), (4347, 4766848), (4416, 4692366), (4509, 4595584), (4676, 4431456), (4683, 4424832), (4968, 4170992), (5129, 4040064), (5152, 4022028), (5344, 3877524), (5352, 3871728), (5796, 3575136), (6012, 3446688), (6021, 3441536), (6048, 3426172), (6244, 3318624), (6624, 3128244), (7014, 2954304), (7136, 2903796), (7682, 2697408), (7728, 2681352), (8016, 2585016), (8028, 2581152), (8064, 2569629), (8694, 2383424), (8832, 2346183), (9018, 2297792), (9352, 2215728), (9366, 2212416), (9936, 2085496), (10258, 2020032), (10304, 2011014), (10521, 1969536), (10688, 1938762), (10704, 1935864), (11523, 1798272), (11592, 1787568), (12024, 1723344), (12042, 1720768), (12096, 1713086), (12488, 1659312), (13248, 1564122), (14028, 1477152), (14049, 1474944), (14272, 1451898), (15364, 1348704), (15387, 1346688), (15456, 1340676), (16032, 1292508), (16056, 1290576), (17388, 1191712), (18036, 1148896), (18704, 1107864), (18732, 1106208), (19872, 1042748), (20516, 1010016), (20608, 1005507), (21042, 984768), (21376, 969381), (21408, 967932), (23046, 899136), (23184, 893784), (24048, 861672), (24084, 860384), (24192, 856543), (24976, 829656), (26496, 782061), (26887, 770688), (28056, 738576), (28098, 737472), (28544, 725949), (30728, 674352), (30774, 673344), (30912, 670338), (31563, 656512), (32064, 646254), (32112, 645288), (34569, 599424), (34776, 595856), (35903, 577152), (36072, 574448), (37241, 556416), (37408, 553932), (37464, 553104), (39744, 521374), (41032, 505008), (42084, 492384), (42147, 491648), (42816, 483966), (46092, 449568), (46161, 448896), (46368, 446892), (48096, 430836), (48168, 430192), (49952, 414828), (53774, 385344), (56112, 369288), (56196, 368736), (61456, 337176), (61548, 336672), (61824, 335169), (63126, 328256), (64128, 323127), (64224, 322644), (69138, 299712), (69552, 297928), (71806, 288576), (72144, 287224), (74482, 278208), (74816, 276966), (74928, 276552), (79488, 260687), (80661, 256896), (82064, 252504), (84168, 246192), (84294, 245824), (85632, 241983), (92184, 224784), (92322, 224448), (92736, 223446), (96192, 215418), (96336, 215096), (99904, 207414), (103707, 199808), (107548, 192672), (107709, 192384), (111723, 185472), (112224, 184644), (112392, 184368), (122912, 168588), (123096, 168336), (126252, 164128), (128448, 161322), (138276, 149856), (138483, 149632), (139104, 148964), (143612, 144288)]