20494960640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 576

約数和(自身を含む): 65879049600

約数和(自身を除く): 45384088960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 64, 68, 70, 77, 80, 85, 88, 110, 112, 119, 121, 128, 136, 139, 140, 154, 160, 170, 176, 187, 220, 224, 238, 242, 256, 272, 278, 280, 308, 320, 340, 352, 374, 385, 440, 448, 476, 484, 512, 544, 556, 560, 595, 605, 616, 640, 680, 695, 704, 748, 770, 847, 880, 896, 935, 952, 968, 973, 1024, 1088, 1112, 1120, 1190, 1210, 1232, 1280, 1309, 1360, 1390, 1408, 1496, 1529, 1540, 1694, 1760, 1792, 1870, 1904, 1936, 1946, 2048, 2057, 2176, 2224, 2240, 2363, 2380, 2420, 2464, 2560, 2618, 2720, 2780, 2816, 2992, 3058, 3080, 3388, 3520, 3584, 3740, 3808, 3872, 3892, 4114, 4235, 4352, 4448, 4480, 4726, 4760, 4840, 4865, 4928, 5120, 5236, 5440, 5560, 5632, 5984, 6116, 6160, 6545, 6776, 7040, 7168, 7480, 7616, 7645, 7744, 7784, 8228, 8470, 8704, 8896, 8960, 9452, 9520, 9680, 9730, 9856, 10240, 10285, 10472, 10703, 10880, 11120, 11264, 11815, 11968, 12232, 12320, 13090, 13552, 14080, 14336, 14399, 14960, 15232, 15290, 15488, 15568, 16456, 16541, 16819, 16940, 17408, 17792, 17920, 18904, 19040, 19360, 19460, 19712, 20570, 20944, 21406, 21760, 22240, 22528, 23630, 23936, 24464, 24640, 25993, 26180, 27104, 28160, 28798, 29920, 30464, 30580, 30976, 31136, 32912, 33082, 33638, 33880, 34816, 35584, 35840, 37808, 38080, 38720, 38920, 39424, 41140, 41888, 42812, 43520, 44480, 47260, 47872, 48928, 49280, 51986, 52360, 53515, 54208, 56320, 57596, 59840, 60928, 61160, 61952, 62272, 65824, 66164, 67276, 67760, 71168, 71680, 71995, 75616, 76160, 77440, 77840, 78848, 82280, 82705, 83776, 84095, 85624, 87040, 88960, 94520, 95744, 97856, 98560, 103972, 104720, 107030, 108416, 112640, 115192, 117733, 119680, 121856, 122320, 123904, 124544, 129965, 131648, 132328, 134552, 135520, 142336, 143990, 151232, 152320, 154880, 155680, 157696, 164560, 165410, 167552, 168190, 171248, 174080, 177920, 181951, 189040, 191488, 195712, 197120, 207944, 209440, 214060, 216832, 230384, 235466, 239360, 243712, 244640, 247808, 249088, 259930, 263296, 264656, 269104, 271040, 284672, 285923, 287980, 302464, 304640, 309760, 311360, 329120, 330820, 335104, 336380, 342496, 355840, 363902, 378080, 382976, 391424, 394240, 415888, 418880, 428120, 433664, 460768, 470932, 478720, 489280, 498176, 519860, 526592, 529312, 538208, 542080, 571846, 575960, 588665, 604928, 609280, 619520, 622720, 658240, 661640, 670208, 672760, 684992, 711680, 727804, 756160, 782848, 788480, 831776, 837760, 856240, 867328, 909755, 921536, 941864, 957440, 978560, 996352, 1039720, 1053184, 1058624, 1076416, 1084160, 1143692, 1151920, 1177330, 1209856, 1218560, 1239040, 1245440, 1316480, 1323280, 1340416, 1345520, 1369984, 1423360, 1429615, 1455608, 1512320, 1565696, 1663552, 1675520, 1712480, 1734656, 1819510, 1843072, 1883728, 1914880, 1957120, 1992704, 2001461, 2079440, 2106368, 2117248, 2152832, 2168320, 2287384, 2303840, 2354660, 2419712, 2490880, 2632960, 2646560, 2680832, 2691040, 2739968, 2859230, 2911216, 3024640, 3131392, 3327104, 3351040, 3424960, 3639020, 3686144, 3767456, 3914240, 4002922, 4158880, 4212736, 4234496, 4305664, 4336640, 4574768, 4607680, 4709320, 4839424, 4981760, 5265920, 5293120, 5382080, 5479936, 5718460, 5822432, 6049280, 6654208, 6702080, 6849920, 7278040, 7372288, 7534912, 7828480, 8005844, 8317760, 8468992, 8611328, 8673280, 9149536, 9215360, 9418640, 9963520, 10007305, 10531840, 10586240, 10764160, 10959872, 11436920, 11644864, 12098560, 13308416, 13404160, 13699840, 14556080, 14744576, 15069824, 15656960, 16011688, 16635520, 16937984, 17222656, 18299072, 18430720, 18837280, 20014610, 21063680, 21172480, 21528320, 21919744, 22873840, 23289728, 24197120, 26616832, 27399680, 29112160, 29489152, 30139648, 32023376, 33271040, 33875968, 34445312, 36598144, 36861440, 37674560, 40029220, 42344960, 43056640, 45747680, 46579456, 53233664, 54799360, 58224320, 60279296, 64046752, 66542080, 73196288, 73722880, 75349120, 80058440, 84689920, 86113280, 91495360, 93158912, 109598720, 116448640, 120558592, 128093504, 133084160, 146392576, 147445760, 150698240, 160116880, 169379840, 172226560, 182990720, 186317824, 232897280, 241117184, 256187008, 266168320, 292785152, 301396480, 320233760, 365981440, 372635648, 465794560, 512374016, 585570304, 602792960, 640467520, 731962880, 931589120, 1024748032, 1205585920, 1280935040, 1463925760, 1863178240, 2049496064, 2561870080, 2927851520, 4098992128, 5123740160, 10247480320, 20494960640]

約数ペア:

[(1, 20494960640), (2, 10247480320), (4, 5123740160), (5, 4098992128), (7, 2927851520), (8, 2561870080), (10, 2049496064), (11, 1863178240), (14, 1463925760), (16, 1280935040), (17, 1205585920), (20, 1024748032), (22, 931589120), (28, 731962880), (32, 640467520), (34, 602792960), (35, 585570304), (40, 512374016), (44, 465794560), (55, 372635648), (56, 365981440), (64, 320233760), (68, 301396480), (70, 292785152), (77, 266168320), (80, 256187008), (85, 241117184), (88, 232897280), (110, 186317824), (112, 182990720), (119, 172226560), (121, 169379840), (128, 160116880), (136, 150698240), (139, 147445760), (140, 146392576), (154, 133084160), (160, 128093504), (170, 120558592), (176, 116448640), (187, 109598720), (220, 93158912), (224, 91495360), (238, 86113280), (242, 84689920), (256, 80058440), (272, 75349120), (278, 73722880), (280, 73196288), (308, 66542080), (320, 64046752), (340, 60279296), (352, 58224320), (374, 54799360), (385, 53233664), (440, 46579456), (448, 45747680), (476, 43056640), (484, 42344960), (512, 40029220), (544, 37674560), (556, 36861440), (560, 36598144), (595, 34445312), (605, 33875968), (616, 33271040), (640, 32023376), (680, 30139648), (695, 29489152), (704, 29112160), (748, 27399680), (770, 26616832), (847, 24197120), (880, 23289728), (896, 22873840), (935, 21919744), (952, 21528320), (968, 21172480), (973, 21063680), (1024, 20014610), (1088, 18837280), (1112, 18430720), (1120, 18299072), (1190, 17222656), (1210, 16937984), (1232, 16635520), (1280, 16011688), (1309, 15656960), (1360, 15069824), (1390, 14744576), (1408, 14556080), (1496, 13699840), (1529, 13404160), (1540, 13308416), (1694, 12098560), (1760, 11644864), (1792, 11436920), (1870, 10959872), (1904, 10764160), (1936, 10586240), (1946, 10531840), (2048, 10007305), (2057, 9963520), (2176, 9418640), (2224, 9215360), (2240, 9149536), (2363, 8673280), (2380, 8611328), (2420, 8468992), (2464, 8317760), (2560, 8005844), (2618, 7828480), (2720, 7534912), (2780, 7372288), (2816, 7278040), (2992, 6849920), (3058, 6702080), (3080, 6654208), (3388, 6049280), (3520, 5822432), (3584, 5718460), (3740, 5479936), (3808, 5382080), (3872, 5293120), (3892, 5265920), (4114, 4981760), (4235, 4839424), (4352, 4709320), (4448, 4607680), (4480, 4574768), (4726, 4336640), (4760, 4305664), (4840, 4234496), (4865, 4212736), (4928, 4158880), (5120, 4002922), (5236, 3914240), (5440, 3767456), (5560, 3686144), (5632, 3639020), (5984, 3424960), (6116, 3351040), (6160, 3327104), (6545, 3131392), (6776, 3024640), (7040, 2911216), (7168, 2859230), (7480, 2739968), (7616, 2691040), (7645, 2680832), (7744, 2646560), (7784, 2632960), (8228, 2490880), (8470, 2419712), (8704, 2354660), (8896, 2303840), (8960, 2287384), (9452, 2168320), (9520, 2152832), (9680, 2117248), (9730, 2106368), (9856, 2079440), (10240, 2001461), (10285, 1992704), (10472, 1957120), (10703, 1914880), (10880, 1883728), (11120, 1843072), (11264, 1819510), (11815, 1734656), (11968, 1712480), (12232, 1675520), (12320, 1663552), (13090, 1565696), (13552, 1512320), (14080, 1455608), (14336, 1429615), (14399, 1423360), (14960, 1369984), (15232, 1345520), (15290, 1340416), (15488, 1323280), (15568, 1316480), (16456, 1245440), (16541, 1239040), (16819, 1218560), (16940, 1209856), (17408, 1177330), (17792, 1151920), (17920, 1143692), (18904, 1084160), (19040, 1076416), (19360, 1058624), (19460, 1053184), (19712, 1039720), (20570, 996352), (20944, 978560), (21406, 957440), (21760, 941864), (22240, 921536), (22528, 909755), (23630, 867328), (23936, 856240), (24464, 837760), (24640, 831776), (25993, 788480), (26180, 782848), (27104, 756160), (28160, 727804), (28798, 711680), (29920, 684992), (30464, 672760), (30580, 670208), (30976, 661640), (31136, 658240), (32912, 622720), (33082, 619520), (33638, 609280), (33880, 604928), (34816, 588665), (35584, 575960), (35840, 571846), (37808, 542080), (38080, 538208), (38720, 529312), (38920, 526592), (39424, 519860), (41140, 498176), (41888, 489280), (42812, 478720), (43520, 470932), (44480, 460768), (47260, 433664), (47872, 428120), (48928, 418880), (49280, 415888), (51986, 394240), (52360, 391424), (53515, 382976), (54208, 378080), (56320, 363902), (57596, 355840), (59840, 342496), (60928, 336380), (61160, 335104), (61952, 330820), (62272, 329120), (65824, 311360), (66164, 309760), (67276, 304640), (67760, 302464), (71168, 287980), (71680, 285923), (71995, 284672), (75616, 271040), (76160, 269104), (77440, 264656), (77840, 263296), (78848, 259930), (82280, 249088), (82705, 247808), (83776, 244640), (84095, 243712), (85624, 239360), (87040, 235466), (88960, 230384), (94520, 216832), (95744, 214060), (97856, 209440), (98560, 207944), (103972, 197120), (104720, 195712), (107030, 191488), (108416, 189040), (112640, 181951), (115192, 177920), (117733, 174080), (119680, 171248), (121856, 168190), (122320, 167552), (123904, 165410), (124544, 164560), (129965, 157696), (131648, 155680), (132328, 154880), (134552, 152320), (135520, 151232), (142336, 143990)]