20458413360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 960

約数和(自身を含む): 92758348800

約数和(自身を除く): 72299935440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 48, 49, 51, 55, 56, 60, 63, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 98, 99, 102, 105, 110, 112, 119, 120, 126, 132, 136, 140, 144, 147, 153, 154, 165, 168, 170, 176, 180, 187, 196, 198, 204, 210, 220, 231, 238, 240, 245, 252, 255, 264, 272, 280, 294, 306, 308, 315, 330, 336, 340, 343, 357, 360, 374, 385, 392, 396, 408, 420, 440, 441, 443, 462, 476, 490, 495, 504, 510, 528, 539, 560, 561, 588, 595, 612, 616, 630, 660, 680, 686, 693, 714, 720, 735, 748, 765, 770, 784, 792, 816, 833, 840, 880, 882, 886, 924, 935, 952, 980, 990, 1008, 1020, 1029, 1071, 1078, 1122, 1155, 1176, 1190, 1224, 1232, 1260, 1309, 1320, 1329, 1360, 1372, 1386, 1428, 1470, 1496, 1530, 1540, 1584, 1617, 1666, 1680, 1683, 1715, 1764, 1772, 1785, 1848, 1870, 1904, 1960, 1980, 2040, 2058, 2142, 2156, 2205, 2215, 2244, 2310, 2352, 2380, 2448, 2499, 2520, 2618, 2640, 2658, 2695, 2744, 2772, 2805, 2856, 2940, 2992, 3060, 3080, 3087, 3101, 3234, 3332, 3366, 3430, 3465, 3528, 3544, 3570, 3696, 3740, 3773, 3920, 3927, 3960, 3987, 4080, 4116, 4165, 4284, 4312, 4410, 4430, 4488, 4620, 4760, 4851, 4873, 4998, 5040, 5145, 5236, 5316, 5355, 5390, 5488, 5544, 5610, 5712, 5831, 5880, 6120, 6160, 6174, 6202, 6468, 6545, 6645, 6664, 6732, 6860, 6930, 7056, 7088, 7140, 7480, 7497, 7531, 7546, 7854, 7920, 7974, 8085, 8232, 8330, 8415, 8568, 8624, 8820, 8860, 8976, 9163, 9240, 9303, 9520, 9702, 9746, 9996, 10290, 10472, 10632, 10710, 10780, 11088, 11220, 11319, 11662, 11760, 11781, 12240, 12348, 12404, 12495, 12936, 13090, 13290, 13328, 13464, 13720, 13860, 14280, 14619, 14960, 14994, 15062, 15092, 15435, 15505, 15708, 15948, 16170, 16464, 16660, 16830, 17136, 17493, 17640, 17720, 18326, 18480, 18606, 18865, 19404, 19492, 19635, 19935, 19992, 20580, 20944, 21264, 21420, 21560, 21707, 22440, 22593, 22638, 23324, 23562, 24255, 24365, 24696, 24808, 24990, 25872, 26180, 26580, 26928, 27440, 27489, 27720, 27909, 28560, 29155, 29238, 29988, 30124, 30184, 30870, 31010, 31416, 31896, 32340, 33320, 33660, 33957, 34111, 34986, 35280, 35440, 36652, 37212, 37485, 37655, 37730, 38808, 38984, 39270, 39870, 39984, 41160, 42840, 43120, 43414, 43857, 44880, 45186, 45276, 45815, 46515, 46648, 47124, 48510, 48730, 49392, 49616, 49980, 52360, 52479, 52717, 53160, 54978, 55440, 55818, 56595, 58310, 58476, 58905, 59976, 60248, 60368, 61740, 62020, 62832, 63792, 64141, 64680, 65121, 66640, 67320, 67779, 67914, 68222, 69972, 73095, 73304, 74424, 74970, 75310, 75460, 77616, 77968, 78540, 79740, 82320, 82467, 82841, 85680, 86828, 87465, 87714, 90372, 90552, 91630, 93030, 93296, 94248, 97020, 97460, 99960, 102333, 104720, 104958, 105434, 106320, 108535, 109956, 111636, 112965, 113190, 116620, 116952, 117810, 119952, 120496, 123480, 124040, 128282, 129360, 130242, 134640, 135558, 135828, 136444, 137445, 139545, 139944, 146190, 146608, 148848, 149940, 150620, 150920, 151949, 157080, 158151, 159480, 164934, 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約数ペア:

[(1, 20458413360), (2, 10229206680), (3, 6819471120), (4, 5114603340), (5, 4091682672), (6, 3409735560), (7, 2922630480), (8, 2557301670), (9, 2273157040), (10, 2045841336), (11, 1859855760), (12, 1704867780), (14, 1461315240), (15, 1363894224), (16, 1278650835), (17, 1203436080), (18, 1136578520), (20, 1022920668), (21, 974210160), (22, 929927880), (24, 852433890), (28, 730657620), (30, 681947112), (33, 619951920), (34, 601718040), (35, 584526096), (36, 568289260), (40, 511460334), (42, 487105080), (44, 464963940), (45, 454631408), (48, 426216945), (49, 417518640), (51, 401145360), (55, 371971152), (56, 365328810), (60, 340973556), (63, 324736720), (66, 309975960), (68, 300859020), (70, 292263048), (72, 284144630), (77, 265693680), (80, 255730167), (84, 243552540), (85, 240687216), (88, 232481970), (90, 227315704), (98, 208759320), (99, 206650640), (102, 200572680), (105, 194842032), (110, 185985576), (112, 182664405), (119, 171919440), (120, 170486778), (126, 162368360), (132, 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(612, 33428780), (616, 33211710), (630, 32473672), (660, 30997596), (680, 30085902), (686, 29822760), (693, 29521520), (714, 28653240), (720, 28414463), (735, 27834576), (748, 27350820), (765, 26743024), (770, 26569368), (784, 26094915), (792, 25831330), (816, 25071585), (833, 24559920), (840, 24355254), (880, 23248197), (882, 23195480), (886, 23090760), (924, 22141140), (935, 21880656), (952, 21489930), (980, 20875932), (990, 20665064), (1008, 20296045), (1020, 20057268), (1029, 19881840), (1071, 19102160), (1078, 18978120), (1122, 18233880), (1155, 17712912), (1176, 17396610), (1190, 17191944), (1224, 16714390), (1232, 16605855), (1260, 16236836), (1309, 15629040), (1320, 15498798), (1329, 15393840), (1360, 15042951), (1372, 14911380), (1386, 14760760), (1428, 14326620), (1470, 13917288), (1496, 13675410), (1530, 13371512), (1540, 13284684), (1584, 12915665), (1617, 12652080), (1666, 12279960), (1680, 12177627), (1683, 12155920), (1715, 11929104), (1764, 11597740), (1772, 11545380), (1785, 11461296), (1848, 11070570), (1870, 10940328), (1904, 10744965), (1960, 10437966), (1980, 10332532), (2040, 10028634), (2058, 9940920), (2142, 9551080), (2156, 9489060), (2205, 9278192), (2215, 9236304), (2244, 9116940), (2310, 8856456), (2352, 8698305), (2380, 8595972), (2448, 8357195), (2499, 8186640), (2520, 8118418), (2618, 7814520), (2640, 7749399), (2658, 7696920), (2695, 7591248), (2744, 7455690), (2772, 7380380), (2805, 7293552), (2856, 7163310), (2940, 6958644), (2992, 6837705), (3060, 6685756), (3080, 6642342), (3087, 6627280), (3101, 6597360), (3234, 6326040), (3332, 6139980), (3366, 6077960), (3430, 5964552), (3465, 5904304), (3528, 5798870), (3544, 5772690), (3570, 5730648), (3696, 5535285), (3740, 5470164), (3773, 5422320), (3920, 5218983), (3927, 5209680), (3960, 5166266), (3987, 5131280), (4080, 5014317), (4116, 4970460), (4165, 4911984), (4284, 4775540), (4312, 4744530), (4410, 4639096), (4430, 4618152), (4488, 4558470), (4620, 4428228), (4760, 4297986), (4851, 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828410), (24808, 824670), (24990, 818664), (25872, 790755), (26180, 781452), (26580, 769692), (26928, 759745), (27440, 745569), (27489, 744240), (27720, 738038), (27909, 733040), (28560, 716331), (29155, 701712), (29238, 699720), (29988, 682220), (30124, 679140), (30184, 677790), (30870, 662728), (31010, 659736), (31416, 651210), (31896, 641410), (32340, 632604), (33320, 613998), (33660, 607796), (33957, 602480), (34111, 599760), (34986, 584760), (35280, 579887), (35440, 577269), (36652, 558180), (37212, 549780), (37485, 545776), (37655, 543312), (37730, 542232), (38808, 527170), (38984, 524790), (39270, 520968), (39870, 513128), (39984, 511665), (41160, 497046), (42840, 477554), (43120, 474453), (43414, 471240), (43857, 466480), (44880, 455847), (45186, 452760), (45276, 451860), (45815, 446544), (46515, 439824), (46648, 438570), (47124, 434140), (48510, 421736), (48730, 419832), (49392, 414205), (49616, 412335), (49980, 409332), (52360, 390726), (52479, 389840), (52717, 388080), (53160, 384846), (54978, 372120), (55440, 369019), (55818, 366520), (56595, 361488), (58310, 350856), (58476, 349860), (58905, 347312), (59976, 341110), (60248, 339570), (60368, 338895), (61740, 331364), (62020, 329868), (62832, 325605), (63792, 320705), (64141, 318960), (64680, 316302), (65121, 314160), (66640, 306999), (67320, 303898), (67779, 301840), (67914, 301240), (68222, 299880), (69972, 292380), (73095, 279888), (73304, 279090), (74424, 274890), (74970, 272888), (75310, 271656), (75460, 271116), (77616, 263585), (77968, 262395), (78540, 260484), (79740, 256564), (82320, 248523), (82467, 248080), (82841, 246960), (85680, 238777), (86828, 235620), (87465, 233904), (87714, 233240), (90372, 226380), (90552, 225930), (91630, 223272), (93030, 219912), (93296, 219285), (94248, 217070), (97020, 210868), (97460, 209916), (99960, 204666), (102333, 199920), (104720, 195363), (104958, 194920), (105434, 194040), (106320, 192423), (108535, 188496), (109956, 186060), (111636, 183260), (112965, 181104), (113190, 180744), (116620, 175428), (116952, 174930), (117810, 173656), (119952, 170555), (120496, 169785), (123480, 165682), (124040, 164934), (128282, 159480), (129360, 158151), (130242, 157080), (134640, 151949), (135558, 150920), (135828, 150620), (136444, 149940), (137445, 148848), (139545, 146608), (139944, 146190)]