20805216768

素因数分解:

$2^9\times 3^6\times 7^1\times {\mathrm{7963}}^1$

素因数の和:8006

約数の個数: 280

約数和(自身を含む): 71238871968

約数和(自身を除く): 50433655200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 336, 378, 384, 432, 448, 486, 504, 512, 567, 576, 648, 672, 729, 756, 768, 864, 896, 972, 1008, 1134, 1152, 1296, 1344, 1458, 1512, 1536, 1701, 1728, 1792, 1944, 2016, 2268, 2304, 2592, 2688, 2916, 3024, 3402, 3456, 3584, 3888, 4032, 4536, 4608, 5103, 5184, 5376, 5832, 6048, 6804, 6912, 7776, 7963, 8064, 9072, 10206, 10368, 10752, 11664, 12096, 13608, 13824, 15552, 15926, 16128, 18144, 20412, 20736, 23328, 23889, 24192, 27216, 31104, 31852, 32256, 36288, 40824, 41472, 46656, 47778, 48384, 54432, 55741, 62208, 63704, 71667, 72576, 81648, 93312, 95556, 96768, 108864, 111482, 124416, 127408, 143334, 145152, 163296, 167223, 186624, 191112, 215001, 217728, 222964, 254816, 286668, 290304, 326592, 334446, 373248, 382224, 430002, 435456, 445928, 501669, 509632, 573336, 645003, 653184, 668892, 764448, 860004, 870912, 891856, 1003338, 1019264, 1146672, 1290006, 1306368, 1337784, 1505007, 1528896, 1720008, 1783712, 1935009, 2006676, 2038528, 2293344, 2580012, 2612736, 2675568, 3010014, 3057792, 3440016, 3567424, 3870018, 4013352, 4077056, 4515021, 4586688, 5160024, 5351136, 5805027, 6020028, 6115584, 6880032, 7134848, 7740036, 8026704, 9030042, 9173376, 10320048, 10702272, 11610054, 12040056, 12231168, 13545063, 13760064, 14269696, 15480072, 16053408, 18060084, 18346752, 20640096, 21404544, 23220108, 24080112, 27090126, 27520128, 28539392, 30960144, 32106816, 36120168, 36693504, 40635189, 41280192, 42809088, 46440216, 48160224, 54180252, 55040256, 61920288, 64213632, 72240336, 81270378, 82560384, 85618176, 92880432, 96320448, 108360504, 110080512, 123840576, 128427264, 144480672, 162540756, 165120768, 185760864, 192640896, 216721008, 247681152, 256854528, 288961344, 325081512, 330241536, 371521728, 385281792, 433442016, 495362304, 577922688, 650163024, 743043456, 770563584, 866884032, 990724608, 1155845376, 1300326048, 1486086912, 1733768064, 2311690752, 2600652096, 2972173824, 3467536128, 5201304192, 6935072256, 10402608384, 20805216768]

約数ペア:

[(1, 20805216768), (2, 10402608384), (3, 6935072256), (4, 5201304192), (6, 3467536128), (7, 2972173824), (8, 2600652096), (9, 2311690752), (12, 1733768064), (14, 1486086912), (16, 1300326048), (18, 1155845376), (21, 990724608), (24, 866884032), (27, 770563584), (28, 743043456), (32, 650163024), (36, 577922688), (42, 495362304), (48, 433442016), (54, 385281792), (56, 371521728), (63, 330241536), (64, 325081512), (72, 288961344), (81, 256854528), (84, 247681152), (96, 216721008), (108, 192640896), (112, 185760864), (126, 165120768), (128, 162540756), (144, 144480672), (162, 128427264), (168, 123840576), (189, 110080512), (192, 108360504), (216, 96320448), (224, 92880432), (243, 85618176), (252, 82560384), (256, 81270378), (288, 72240336), (324, 64213632), (336, 61920288), (378, 55040256), (384, 54180252), (432, 48160224), (448, 46440216), (486, 42809088), (504, 41280192), (512, 40635189), (567, 36693504), (576, 36120168), (648, 32106816), (672, 30960144), (729, 28539392), (756, 27520128), (768, 27090126), (864, 24080112), (896, 23220108), (972, 21404544), (1008, 20640096), (1134, 18346752), (1152, 18060084), (1296, 16053408), (1344, 15480072), (1458, 14269696), (1512, 13760064), (1536, 13545063), (1701, 12231168), (1728, 12040056), (1792, 11610054), (1944, 10702272), (2016, 10320048), (2268, 9173376), (2304, 9030042), (2592, 8026704), (2688, 7740036), (2916, 7134848), (3024, 6880032), (3402, 6115584), (3456, 6020028), (3584, 5805027), (3888, 5351136), (4032, 5160024), (4536, 4586688), (4608, 4515021), (5103, 4077056), (5184, 4013352), (5376, 3870018), (5832, 3567424), (6048, 3440016), (6804, 3057792), (6912, 3010014), (7776, 2675568), (7963, 2612736), (8064, 2580012), (9072, 2293344), (10206, 2038528), (10368, 2006676), (10752, 1935009), (11664, 1783712), (12096, 1720008), (13608, 1528896), (13824, 1505007), (15552, 1337784), (15926, 1306368), (16128, 1290006), (18144, 1146672), (20412, 1019264), (20736, 1003338), (23328, 891856), (23889, 870912), (24192, 860004), (27216, 764448), (31104, 668892), (31852, 653184), (32256, 645003), (36288, 573336), (40824, 509632), (41472, 501669), (46656, 445928), (47778, 435456), (48384, 430002), (54432, 382224), (55741, 373248), (62208, 334446), (63704, 326592), (71667, 290304), (72576, 286668), (81648, 254816), (93312, 222964), (95556, 217728), (96768, 215001), (108864, 191112), (111482, 186624), (124416, 167223), (127408, 163296), (143334, 145152)]