20744765440

素因数分解:

$2^{18}\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 456

約数和(自身を含む): 64550215440

約数和(自身を除く): 43805450000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 49, 56, 64, 68, 70, 76, 80, 85, 95, 98, 112, 119, 128, 133, 136, 140, 152, 160, 170, 190, 196, 224, 238, 245, 256, 266, 272, 280, 304, 320, 323, 340, 380, 392, 448, 476, 490, 512, 532, 544, 560, 595, 608, 640, 646, 665, 680, 760, 784, 833, 896, 931, 952, 980, 1024, 1064, 1088, 1120, 1190, 1216, 1280, 1292, 1330, 1360, 1520, 1568, 1615, 1666, 1792, 1862, 1904, 1960, 2048, 2128, 2176, 2240, 2261, 2380, 2432, 2560, 2584, 2660, 2720, 3040, 3136, 3230, 3332, 3584, 3724, 3808, 3920, 4096, 4165, 4256, 4352, 4480, 4522, 4655, 4760, 4864, 5120, 5168, 5320, 5440, 6080, 6272, 6460, 6664, 7168, 7448, 7616, 7840, 8192, 8330, 8512, 8704, 8960, 9044, 9310, 9520, 9728, 10240, 10336, 10640, 10880, 11305, 12160, 12544, 12920, 13328, 14336, 14896, 15232, 15680, 15827, 16384, 16660, 17024, 17408, 17920, 18088, 18620, 19040, 19456, 20480, 20672, 21280, 21760, 22610, 24320, 25088, 25840, 26656, 28672, 29792, 30464, 31360, 31654, 32768, 33320, 34048, 34816, 35840, 36176, 37240, 38080, 38912, 40960, 41344, 42560, 43520, 45220, 48640, 50176, 51680, 53312, 57344, 59584, 60928, 62720, 63308, 65536, 66640, 68096, 69632, 71680, 72352, 74480, 76160, 77824, 79135, 81920, 82688, 85120, 87040, 90440, 97280, 100352, 103360, 106624, 114688, 119168, 121856, 125440, 126616, 131072, 133280, 136192, 139264, 143360, 144704, 148960, 152320, 155648, 158270, 163840, 165376, 170240, 174080, 180880, 194560, 200704, 206720, 213248, 229376, 238336, 243712, 250880, 253232, 262144, 266560, 272384, 278528, 286720, 289408, 297920, 304640, 311296, 316540, 327680, 330752, 340480, 348160, 361760, 389120, 401408, 413440, 426496, 458752, 476672, 487424, 501760, 506464, 533120, 544768, 557056, 573440, 578816, 595840, 609280, 622592, 633080, 655360, 661504, 680960, 696320, 723520, 778240, 802816, 826880, 852992, 917504, 953344, 974848, 1003520, 1012928, 1066240, 1089536, 1114112, 1146880, 1157632, 1191680, 1218560, 1245184, 1266160, 1310720, 1323008, 1361920, 1392640, 1447040, 1556480, 1605632, 1653760, 1705984, 1835008, 1906688, 1949696, 2007040, 2025856, 2132480, 2179072, 2228224, 2293760, 2315264, 2383360, 2437120, 2490368, 2532320, 2646016, 2723840, 2785280, 2894080, 3112960, 3211264, 3307520, 3411968, 3813376, 3899392, 4014080, 4051712, 4264960, 4358144, 4456448, 4587520, 4630528, 4766720, 4874240, 4980736, 5064640, 5292032, 5447680, 5570560, 5788160, 6225920, 6422528, 6615040, 6823936, 7626752, 7798784, 8028160, 8103424, 8529920, 8716288, 9175040, 9261056, 9533440, 9748480, 10129280, 10584064, 10895360, 11141120, 11576320, 12451840, 12845056, 13230080, 13647872, 15253504, 15597568, 16056320, 16206848, 17059840, 17432576, 18522112, 19066880, 19496960, 20258560, 21168128, 21790720, 22282240, 23152640, 24903680, 26460160, 27295744, 30507008, 31195136, 32112640, 32413696, 34119680, 34865152, 37044224, 38133760, 38993920, 40517120, 42336256, 43581440, 46305280, 52920320, 54591488, 61014016, 64225280, 64827392, 68239360, 74088448, 76267520, 77987840, 81034240, 84672512, 87162880, 92610560, 105840640, 109182976, 122028032, 129654784, 136478720, 148176896, 152535040, 155975680, 162068480, 174325760, 185221120, 211681280, 218365952, 244056064, 259309568, 272957440, 296353792, 305070080, 324136960, 370442240, 423362560, 518619136, 545914880, 592707584, 610140160, 648273920, 740884480, 1037238272, 1091829760, 1220280320, 1296547840, 1481768960, 2074476544, 2593095680, 2963537920, 4148953088, 5186191360, 10372382720, 20744765440]

約数ペア:

[(1, 20744765440), (2, 10372382720), (4, 5186191360), (5, 4148953088), (7, 2963537920), (8, 2593095680), (10, 2074476544), (14, 1481768960), (16, 1296547840), (17, 1220280320), (19, 1091829760), (20, 1037238272), (28, 740884480), (32, 648273920), (34, 610140160), (35, 592707584), (38, 545914880), (40, 518619136), (49, 423362560), (56, 370442240), (64, 324136960), (68, 305070080), (70, 296353792), (76, 272957440), (80, 259309568), (85, 244056064), (95, 218365952), (98, 211681280), (112, 185221120), (119, 174325760), (128, 162068480), (133, 155975680), (136, 152535040), (140, 148176896), (152, 136478720), (160, 129654784), (170, 122028032), (190, 109182976), (196, 105840640), (224, 92610560), (238, 87162880), (245, 84672512), (256, 81034240), (266, 77987840), (272, 76267520), (280, 74088448), (304, 68239360), (320, 64827392), (323, 64225280), (340, 61014016), (380, 54591488), (392, 52920320), (448, 46305280), (476, 43581440), (490, 42336256), (512, 40517120), (532, 38993920), (544, 38133760), (560, 37044224), (595, 34865152), (608, 34119680), (640, 32413696), (646, 32112640), (665, 31195136), (680, 30507008), (760, 27295744), (784, 26460160), (833, 24903680), (896, 23152640), (931, 22282240), (952, 21790720), (980, 21168128), (1024, 20258560), (1064, 19496960), (1088, 19066880), (1120, 18522112), (1190, 17432576), (1216, 17059840), (1280, 16206848), (1292, 16056320), (1330, 15597568), (1360, 15253504), (1520, 13647872), (1568, 13230080), (1615, 12845056), (1666, 12451840), (1792, 11576320), (1862, 11141120), (1904, 10895360), (1960, 10584064), (2048, 10129280), (2128, 9748480), (2176, 9533440), (2240, 9261056), (2261, 9175040), (2380, 8716288), (2432, 8529920), (2560, 8103424), (2584, 8028160), (2660, 7798784), (2720, 7626752), (3040, 6823936), (3136, 6615040), (3230, 6422528), (3332, 6225920), (3584, 5788160), (3724, 5570560), (3808, 5447680), (3920, 5292032), (4096, 5064640), (4165, 4980736), (4256, 4874240), (4352, 4766720), (4480, 4630528), (4522, 4587520), (4655, 4456448), (4760, 4358144), (4864, 4264960), (5120, 4051712), (5168, 4014080), (5320, 3899392), (5440, 3813376), (6080, 3411968), (6272, 3307520), (6460, 3211264), (6664, 3112960), (7168, 2894080), (7448, 2785280), (7616, 2723840), (7840, 2646016), (8192, 2532320), (8330, 2490368), (8512, 2437120), (8704, 2383360), (8960, 2315264), (9044, 2293760), (9310, 2228224), (9520, 2179072), (9728, 2132480), (10240, 2025856), (10336, 2007040), (10640, 1949696), (10880, 1906688), (11305, 1835008), (12160, 1705984), (12544, 1653760), (12920, 1605632), (13328, 1556480), (14336, 1447040), (14896, 1392640), (15232, 1361920), (15680, 1323008), (15827, 1310720), (16384, 1266160), (16660, 1245184), (17024, 1218560), (17408, 1191680), (17920, 1157632), (18088, 1146880), (18620, 1114112), (19040, 1089536), (19456, 1066240), (20480, 1012928), (20672, 1003520), (21280, 974848), (21760, 953344), (22610, 917504), (24320, 852992), (25088, 826880), (25840, 802816), (26656, 778240), (28672, 723520), (29792, 696320), (30464, 680960), (31360, 661504), (31654, 655360), (32768, 633080), (33320, 622592), (34048, 609280), (34816, 595840), (35840, 578816), (36176, 573440), (37240, 557056), (38080, 544768), (38912, 533120), (40960, 506464), (41344, 501760), (42560, 487424), (43520, 476672), (45220, 458752), (48640, 426496), (50176, 413440), (51680, 401408), (53312, 389120), (57344, 361760), (59584, 348160), (60928, 340480), (62720, 330752), (63308, 327680), (65536, 316540), (66640, 311296), (68096, 304640), (69632, 297920), (71680, 289408), (72352, 286720), (74480, 278528), (76160, 272384), (77824, 266560), (79135, 262144), (81920, 253232), (82688, 250880), (85120, 243712), (87040, 238336), (90440, 229376), (97280, 213248), (100352, 206720), (103360, 200704), (106624, 194560), (114688, 180880), (119168, 174080), (121856, 170240), (125440, 165376), (126616, 163840), (131072, 158270), (133280, 155648), (136192, 152320), (139264, 148960), (143360, 144704)]