20956131840

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:512

約数の個数: 480

約数和(自身を含む): 78593898240

約数和(自身を除く): 57637766400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 233, 239, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 466, 478, 480, 490, 512, 560, 588, 640, 672, 699, 717, 735, 768, 784, 840, 896, 932, 956, 960, 980, 1120, 1165, 1176, 1195, 1280, 1344, 1398, 1434, 1470, 1536, 1568, 1631, 1673, 1680, 1792, 1864, 1912, 1920, 1960, 2240, 2330, 2352, 2390, 2560, 2688, 2796, 2868, 2940, 3136, 3262, 3346, 3360, 3495, 3584, 3585, 3728, 3824, 3840, 3920, 4480, 4660, 4704, 4780, 4893, 5019, 5376, 5592, 5736, 5880, 6272, 6524, 6692, 6720, 6990, 7170, 7456, 7648, 7680, 7840, 8155, 8365, 8960, 9320, 9408, 9560, 9786, 10038, 10752, 11184, 11417, 11472, 11711, 11760, 12544, 13048, 13384, 13440, 13980, 14340, 14912, 15296, 15680, 16310, 16730, 17920, 18640, 18816, 19120, 19572, 20076, 22368, 22834, 22944, 23422, 23520, 24465, 25088, 25095, 26096, 26768, 26880, 27960, 28680, 29824, 30592, 31360, 32620, 33460, 34251, 35133, 37280, 37632, 38240, 39144, 40152, 44736, 45668, 45888, 46844, 47040, 48930, 50190, 52192, 53536, 53760, 55687, 55920, 57085, 57360, 58555, 59648, 61184, 62720, 65240, 66920, 68502, 70266, 74560, 75264, 76480, 78288, 80304, 89472, 91336, 91776, 93688, 94080, 97860, 100380, 104384, 107072, 111374, 111840, 114170, 114720, 117110, 119296, 122368, 125440, 130480, 133840, 137004, 140532, 149120, 152960, 156576, 160608, 167061, 171255, 175665, 178944, 182672, 183552, 187376, 188160, 195720, 200760, 208768, 214144, 222748, 223680, 228340, 229440, 234220, 260960, 267680, 274008, 278435, 281064, 298240, 305920, 313152, 321216, 334122, 342510, 351330, 357888, 365344, 367104, 374752, 376320, 389809, 391440, 401520, 417536, 428288, 445496, 447360, 456680, 458880, 468440, 521920, 535360, 548016, 556870, 562128, 596480, 611840, 626304, 642432, 668244, 685020, 702660, 730688, 749504, 779618, 782880, 803040, 835072, 835305, 856576, 890992, 894720, 913360, 917760, 936880, 1043840, 1070720, 1096032, 1113740, 1124256, 1169427, 1252608, 1284864, 1336488, 1370040, 1405320, 1461376, 1499008, 1559236, 1565760, 1606080, 1670610, 1781984, 1789440, 1826720, 1835520, 1873760, 1949045, 2087680, 2141440, 2192064, 2227480, 2248512, 2338854, 2505216, 2569728, 2672976, 2728663, 2740080, 2810640, 2922752, 2998016, 3118472, 3131520, 3212160, 3341220, 3563968, 3653440, 3747520, 3898090, 4175360, 4282880, 4384128, 4454960, 4497024, 4677708, 5345952, 5457326, 5480160, 5621280, 5845504, 5847135, 5996032, 6236944, 6263040, 6424320, 6682440, 7127936, 7306880, 7495040, 7796180, 8185989, 8768256, 8909920, 8994048, 9355416, 10691904, 10914652, 10960320, 11242560, 11694270, 12473888, 12526080, 12848640, 13364880, 13643315, 14255872, 14613760, 14990080, 15592360, 16371978, 17536512, 17819840, 17988096, 18710832, 21383808, 21829304, 21920640, 22485120, 23388540, 24947776, 26729760, 27286630, 28511744, 29227520, 29980160, 31184720, 32743956, 35639680, 37421664, 40929945, 42767616, 43658608, 43841280, 44970240, 46777080, 49895552, 53459520, 54573260, 62369440, 65487912, 71279360, 74843328, 81859890, 85535232, 87317216, 87682560, 89940480, 93554160, 99791104, 106919040, 109146520, 124738880, 130975824, 142558720, 149686656, 163719780, 174634432, 187108320, 199582208, 213838080, 218293040, 249477760, 261951648, 299373312, 327439560, 349268864, 374216640, 427676160, 436586080, 498955520, 523903296, 598746624, 654879120, 698537728, 748433280, 873172160, 997911040, 1047806592, 1309758240, 1397075456, 1496866560, 1746344320, 2095613184, 2619516480, 2993733120, 3492688640, 4191226368, 5239032960, 6985377280, 10478065920, 20956131840]

約数ペア:

[(1, 20956131840), (2, 10478065920), (3, 6985377280), (4, 5239032960), (5, 4191226368), (6, 3492688640), (7, 2993733120), (8, 2619516480), (10, 2095613184), (12, 1746344320), (14, 1496866560), (15, 1397075456), (16, 1309758240), (20, 1047806592), (21, 997911040), (24, 873172160), (28, 748433280), (30, 698537728), (32, 654879120), (35, 598746624), (40, 523903296), (42, 498955520), (48, 436586080), (49, 427676160), (56, 374216640), (60, 349268864), (64, 327439560), (70, 299373312), (80, 261951648), (84, 249477760), (96, 218293040), (98, 213838080), (105, 199582208), (112, 187108320), (120, 174634432), (128, 163719780), (140, 149686656), (147, 142558720), (160, 130975824), (168, 124738880), (192, 109146520), (196, 106919040), (210, 99791104), (224, 93554160), (233, 89940480), (239, 87682560), (240, 87317216), (245, 85535232), (256, 81859890), (280, 74843328), (294, 71279360), (320, 65487912), (336, 62369440), (384, 54573260), (392, 53459520), (420, 49895552), (448, 46777080), (466, 44970240), (478, 43841280), (480, 43658608), (490, 42767616), (512, 40929945), (560, 37421664), (588, 35639680), (640, 32743956), (672, 31184720), (699, 29980160), (717, 29227520), (735, 28511744), (768, 27286630), (784, 26729760), (840, 24947776), (896, 23388540), (932, 22485120), (956, 21920640), (960, 21829304), (980, 21383808), (1120, 18710832), (1165, 17988096), (1176, 17819840), (1195, 17536512), (1280, 16371978), (1344, 15592360), (1398, 14990080), (1434, 14613760), (1470, 14255872), (1536, 13643315), (1568, 13364880), (1631, 12848640), (1673, 12526080), (1680, 12473888), (1792, 11694270), (1864, 11242560), (1912, 10960320), (1920, 10914652), (1960, 10691904), (2240, 9355416), (2330, 8994048), (2352, 8909920), (2390, 8768256), (2560, 8185989), (2688, 7796180), (2796, 7495040), (2868, 7306880), (2940, 7127936), (3136, 6682440), (3262, 6424320), (3346, 6263040), (3360, 6236944), (3495, 5996032), (3584, 5847135), (3585, 5845504), (3728, 5621280), (3824, 5480160), (3840, 5457326), (3920, 5345952), (4480, 4677708), (4660, 4497024), (4704, 4454960), (4780, 4384128), (4893, 4282880), (5019, 4175360), (5376, 3898090), (5592, 3747520), (5736, 3653440), (5880, 3563968), (6272, 3341220), (6524, 3212160), (6692, 3131520), (6720, 3118472), (6990, 2998016), (7170, 2922752), (7456, 2810640), (7648, 2740080), (7680, 2728663), (7840, 2672976), (8155, 2569728), (8365, 2505216), (8960, 2338854), (9320, 2248512), (9408, 2227480), (9560, 2192064), (9786, 2141440), (10038, 2087680), (10752, 1949045), (11184, 1873760), (11417, 1835520), (11472, 1826720), (11711, 1789440), (11760, 1781984), (12544, 1670610), (13048, 1606080), (13384, 1565760), (13440, 1559236), (13980, 1499008), (14340, 1461376), (14912, 1405320), (15296, 1370040), (15680, 1336488), (16310, 1284864), (16730, 1252608), (17920, 1169427), (18640, 1124256), (18816, 1113740), (19120, 1096032), (19572, 1070720), (20076, 1043840), (22368, 936880), (22834, 917760), (22944, 913360), (23422, 894720), (23520, 890992), (24465, 856576), (25088, 835305), (25095, 835072), (26096, 803040), (26768, 782880), (26880, 779618), (27960, 749504), (28680, 730688), (29824, 702660), (30592, 685020), (31360, 668244), (32620, 642432), (33460, 626304), (34251, 611840), (35133, 596480), (37280, 562128), (37632, 556870), (38240, 548016), (39144, 535360), (40152, 521920), (44736, 468440), (45668, 458880), (45888, 456680), (46844, 447360), (47040, 445496), (48930, 428288), (50190, 417536), (52192, 401520), (53536, 391440), (53760, 389809), (55687, 376320), (55920, 374752), (57085, 367104), (57360, 365344), (58555, 357888), (59648, 351330), (61184, 342510), (62720, 334122), (65240, 321216), (66920, 313152), (68502, 305920), (70266, 298240), (74560, 281064), (75264, 278435), (76480, 274008), (78288, 267680), (80304, 260960), (89472, 234220), (91336, 229440), (91776, 228340), (93688, 223680), (94080, 222748), (97860, 214144), (100380, 208768), (104384, 200760), (107072, 195720), (111374, 188160), (111840, 187376), (114170, 183552), (114720, 182672), (117110, 178944), (119296, 175665), (122368, 171255), (125440, 167061), (130480, 160608), (133840, 156576), (137004, 152960), (140532, 149120)]