20789919360

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16633}}^1$

素因数の和:16696

約数の個数: 384

約数和(自身を含む): 84697666560

約数和(自身を除く): 63907747200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 320, 336, 360, 372, 384, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 840, 868, 896, 930, 960, 992, 1008, 1085, 1116, 1120, 1152, 1240, 1260, 1302, 1344, 1395, 1440, 1488, 1680, 1736, 1860, 1920, 1953, 1984, 2016, 2170, 2232, 2240, 2480, 2520, 2604, 2688, 2790, 2880, 2976, 3255, 3360, 3472, 3720, 3906, 3968, 4032, 4340, 4464, 4480, 4960, 5040, 5208, 5580, 5760, 5952, 6510, 6720, 6944, 7440, 7812, 8064, 8680, 8928, 9765, 9920, 10080, 10416, 11160, 11904, 13020, 13440, 13888, 14880, 15624, 16633, 17360, 17856, 19530, 19840, 20160, 20832, 22320, 26040, 27776, 29760, 31248, 33266, 34720, 35712, 39060, 40320, 41664, 44640, 49899, 52080, 59520, 62496, 66532, 69440, 78120, 83165, 83328, 89280, 99798, 104160, 116431, 124992, 133064, 138880, 149697, 156240, 166330, 178560, 199596, 208320, 232862, 249495, 249984, 266128, 299394, 312480, 332660, 349293, 399192, 416640, 465724, 498990, 515623, 532256, 582155, 598788, 624960, 665320, 698586, 748485, 798384, 931448, 997980, 1031246, 1047879, 1064512, 1164310, 1197576, 1249920, 1330640, 1397172, 1496970, 1546869, 1596768, 1746465, 1862896, 1995960, 2062492, 2095758, 2129024, 2328620, 2395152, 2578115, 2661280, 2794344, 2993940, 3093738, 3193536, 3492930, 3609361, 3725792, 3991920, 4124984, 4191516, 4640607, 4657240, 4790304, 5156230, 5239395, 5322560, 5588688, 5987880, 6187476, 6387072, 6985860, 7218722, 7451584, 7734345, 7983840, 8249968, 8383032, 9281214, 9314480, 9580608, 10312460, 10478790, 10645120, 10828083, 11177376, 11975760, 12374952, 13971720, 14437444, 14903168, 15468690, 15967680, 16499936, 16766064, 18046805, 18562428, 18628960, 19161216, 20624920, 20957580, 21656166, 22354752, 23203035, 23951520, 24749904, 27943440, 28874888, 30937380, 31935360, 32484249, 32999872, 33532128, 36093610, 37124856, 37257920, 41249840, 41915160, 43312332, 44709504, 46406070, 47903040, 49499808, 54140415, 55886880, 57749776, 61874760, 64968498, 65999744, 67064256, 72187220, 74249712, 74515840, 82499680, 83830320, 86624664, 92812140, 95806080, 98999616, 108280830, 111773760, 115499552, 123749520, 129936996, 134128512, 144374440, 148499424, 162421245, 164999360, 167660640, 173249328, 185624280, 197999232, 216561660, 223547520, 230999104, 247499040, 259873992, 288748880, 296998848, 324842490, 329998720, 335321280, 346498656, 371248560, 433123320, 461998208, 494998080, 519747984, 577497760, 593997696, 649684980, 670642560, 692997312, 742497120, 866246640, 989996160, 1039495968, 1154995520, 1299369960, 1385994624, 1484994240, 1732493280, 2078991936, 2309991040, 2598739920, 2969988480, 3464986560, 4157983872, 5197479840, 6929973120, 10394959680, 20789919360]

約数ペア:

[(1, 20789919360), (2, 10394959680), (3, 6929973120), (4, 5197479840), (5, 4157983872), (6, 3464986560), (7, 2969988480), (8, 2598739920), (9, 2309991040), (10, 2078991936), (12, 1732493280), (14, 1484994240), (15, 1385994624), (16, 1299369960), (18, 1154995520), (20, 1039495968), (21, 989996160), (24, 866246640), (28, 742497120), (30, 692997312), (31, 670642560), (32, 649684980), (35, 593997696), (36, 577497760), (40, 519747984), (42, 494998080), (45, 461998208), (48, 433123320), (56, 371248560), (60, 346498656), (62, 335321280), (63, 329998720), (64, 324842490), (70, 296998848), (72, 288748880), (80, 259873992), (84, 247499040), (90, 230999104), (93, 223547520), (96, 216561660), (105, 197999232), (112, 185624280), (120, 173249328), (124, 167660640), (126, 164999360), (128, 162421245), (140, 148499424), (144, 144374440), (155, 134128512), (160, 129936996), (168, 123749520), (180, 115499552), (186, 111773760), (192, 108280830), (210, 98999616), (217, 95806080), (224, 92812140), (240, 86624664), (248, 83830320), (252, 82499680), (279, 74515840), (280, 74249712), (288, 72187220), (310, 67064256), (315, 65999744), (320, 64968498), (336, 61874760), (360, 57749776), (372, 55886880), (384, 54140415), (420, 49499808), (434, 47903040), (448, 46406070), (465, 44709504), (480, 43312332), (496, 41915160), (504, 41249840), (558, 37257920), (560, 37124856), (576, 36093610), (620, 33532128), (630, 32999872), (640, 32484249), (651, 31935360), (672, 30937380), (720, 28874888), (744, 27943440), (840, 24749904), (868, 23951520), (896, 23203035), (930, 22354752), (960, 21656166), (992, 20957580), (1008, 20624920), (1085, 19161216), (1116, 18628960), (1120, 18562428), (1152, 18046805), (1240, 16766064), (1260, 16499936), (1302, 15967680), (1344, 15468690), (1395, 14903168), (1440, 14437444), (1488, 13971720), (1680, 12374952), (1736, 11975760), (1860, 11177376), (1920, 10828083), (1953, 10645120), (1984, 10478790), (2016, 10312460), (2170, 9580608), (2232, 9314480), (2240, 9281214), (2480, 8383032), (2520, 8249968), (2604, 7983840), (2688, 7734345), (2790, 7451584), (2880, 7218722), (2976, 6985860), (3255, 6387072), (3360, 6187476), (3472, 5987880), (3720, 5588688), (3906, 5322560), (3968, 5239395), (4032, 5156230), (4340, 4790304), (4464, 4657240), (4480, 4640607), (4960, 4191516), (5040, 4124984), (5208, 3991920), (5580, 3725792), (5760, 3609361), (5952, 3492930), (6510, 3193536), (6720, 3093738), (6944, 2993940), (7440, 2794344), (7812, 2661280), (8064, 2578115), (8680, 2395152), (8928, 2328620), (9765, 2129024), (9920, 2095758), (10080, 2062492), (10416, 1995960), (11160, 1862896), (11904, 1746465), (13020, 1596768), (13440, 1546869), (13888, 1496970), (14880, 1397172), (15624, 1330640), (16633, 1249920), (17360, 1197576), (17856, 1164310), (19530, 1064512), (19840, 1047879), (20160, 1031246), (20832, 997980), (22320, 931448), (26040, 798384), (27776, 748485), (29760, 698586), (31248, 665320), (33266, 624960), (34720, 598788), (35712, 582155), (39060, 532256), (40320, 515623), (41664, 498990), (44640, 465724), (49899, 416640), (52080, 399192), (59520, 349293), (62496, 332660), (66532, 312480), (69440, 299394), (78120, 266128), (83165, 249984), (83328, 249495), (89280, 232862), (99798, 208320), (104160, 199596), (116431, 178560), (124992, 166330), (133064, 156240), (138880, 149697)]