20517648840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:187

約数の個数: 1024

約数和(自身を含む): 83607552000

約数和(自身を除く): 63089903160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 31, 34, 36, 39, 40, 45, 47, 51, 52, 54, 59, 60, 62, 65, 68, 72, 78, 85, 90, 93, 94, 102, 104, 108, 117, 118, 120, 124, 130, 135, 136, 141, 153, 155, 156, 170, 177, 180, 186, 188, 195, 204, 216, 221, 234, 235, 236, 248, 255, 260, 270, 279, 282, 295, 306, 310, 312, 340, 351, 354, 360, 372, 376, 390, 403, 408, 423, 442, 459, 465, 468, 470, 472, 510, 520, 527, 531, 540, 558, 564, 585, 590, 611, 612, 620, 663, 680, 702, 705, 708, 744, 765, 767, 780, 799, 806, 837, 846, 884, 885, 918, 930, 936, 940, 1003, 1020, 1054, 1062, 1080, 1105, 1116, 1128, 1170, 1180, 1209, 1222, 1224, 1240, 1269, 1326, 1395, 1404, 1410, 1416, 1457, 1530, 1534, 1560, 1581, 1593, 1598, 1612, 1674, 1692, 1755, 1768, 1770, 1829, 1833, 1836, 1860, 1880, 1989, 2006, 2015, 2040, 2108, 2115, 2124, 2210, 2232, 2295, 2301, 2340, 2360, 2397, 2418, 2444, 2538, 2635, 2652, 2655, 2773, 2790, 2808, 2820, 2914, 3009, 3055, 3060, 3068, 3162, 3186, 3196, 3224, 3315, 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429815, 431460, 432588, 435240, 445842, 454584, 466395, 467415, 469404, 471410, 475540, 493272, 493830, 495380, 499140, 511407, 515778, 521560, 524520, 540735, 541620, 559674, 560898, 565692, 568230, 569160, 570648, 586755, 594456, 598968, 612833, 616590, 621860, 623220, 641979, 643994, 648882, 658440, 659880, 668763, 681876, 687704, 704106, 707115, 713310, 720980, 739908, 743070, 746232, 747864, 748710, 757640, 773667, 782340, 786780, 808418, 822120, 828360, 839511, 848538, 852345, 855972, 859630, 862920, 865176, 891684, 924885, 932790, 934830, 938808, 942820, 951080, 965991, 973323, 987660, 990760, 998280, 1022814, 1031556, 1069965, 1081470, 1083240, 1114605, 1117519, 1119348, 1121796, 1131384, 1136460, 1173510, 1212627, 1225666, 1233180, 1243720, 1246440, 1272807, 1283958, 1287988, 1289445, 1297764, 1337526, 1363752, 1399185, 1402245, 1408212, 1414230, 1426620, 1441960, 1461371, 1479816, 1486140, 1497420, 1547334, 1564680, 1573560, 1609985, 1616836, 1622205, 1679022, 1697076, 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7786584, 8084180, 8395110, 8485380, 8559720, 8693919, 8768226, 8916840, 8940152, 9192495, 9284004, 9659910, 9701016, 9733230, 10057671, 10182456, 10228140, 10315560, 10913643, 11030994, 11175190, 11193480, 11217960, 11591892, 11605005, 11690968, 12126270, 12256660, 12728070, 12839580, 12879880, 12977640, 13152339, 13375260, 13410228, 14082120, 14489865, 14551524, 14613710, 14707992, 15473340, 16168360, 16546491, 16762785, 16790220, 16970760, 17387838, 17536452, 18189405, 18384990, 18568008, 18997823, 19319820, 19466460, 20115342, 20456280, 21827286, 21920565, 22061988, 22350380, 23183784, 23210010, 24252540, 24513320, 25456140, 25679160, 26304678, 26750520, 26820456, 27577485, 28979730, 29103048, 29227420, 30173013, 30946680, 33092982, 33525570, 33580440, 34775676, 35072904, 36378810, 36769980, 37995646, 38639640, 38932920, 39457017, 40230684, 43469595, 43654572, 43841130, 44123976, 44700760, 46420020, 48505080, 50288355, 50912280, 52609356, 54568215, 55154970, 56993469, 57959460, 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約数ペア:

[(1, 20517648840), (2, 10258824420), (3, 6839216280), (4, 5129412210), (5, 4103529768), (6, 3419608140), (8, 2564706105), (9, 2279738760), (10, 2051764884), (12, 1709804070), (13, 1578280680), (15, 1367843256), (17, 1206920520), (18, 1139869380), (20, 1025882442), (24, 854902035), (26, 789140340), (27, 759912920), (30, 683921628), (31, 661859640), (34, 603460260), (36, 569934690), (39, 526093560), (40, 512941221), (45, 455947752), (47, 436545720), (51, 402306840), (52, 394570170), (54, 379956460), (59, 347756760), (60, 341960814), (62, 330929820), (65, 315656136), (68, 301730130), (72, 284967345), (78, 263046780), (85, 241384104), (90, 227973876), (93, 220619880), (94, 218272860), (102, 201153420), (104, 197285085), (108, 189978230), (117, 175364520), (118, 173878380), (120, 170980407), (124, 165464910), (130, 157828068), (135, 151982584), (136, 150865065), (141, 145515240), (153, 134102280), (155, 132371928), (156, 131523390), (170, 120692052), (177, 115918920), (180, 113986938), (186, 110309940), (188, 109136430), (195, 105218712), (204, 100576710), (216, 94989115), (221, 92840040), (234, 87682260), (235, 87309144), (236, 86939190), (248, 82732455), (255, 80461368), (260, 78914034), (270, 75991292), (279, 73539960), (282, 72757620), (295, 69551352), (306, 67051140), (310, 66185964), (312, 65761695), (340, 60346026), (351, 58454840), (354, 57959460), (360, 56993469), (372, 55154970), (376, 54568215), (390, 52609356), (403, 50912280), (408, 50288355), (423, 48505080), (442, 46420020), (459, 44700760), (465, 44123976), (468, 43841130), (470, 43654572), (472, 43469595), (510, 40230684), (520, 39457017), (527, 38932920), (531, 38639640), (540, 37995646), (558, 36769980), (564, 36378810), (585, 35072904), (590, 34775676), (611, 33580440), (612, 33525570), (620, 33092982), (663, 30946680), (680, 30173013), (702, 29227420), (705, 29103048), (708, 28979730), (744, 27577485), (765, 26820456), (767, 26750520), (780, 26304678), (799, 25679160), (806, 25456140), (837, 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(23715, 865176), (23777, 862920), (23868, 859630), (23970, 855972), (24072, 852345), (24180, 848538), (24440, 839511), (24769, 828360), (24957, 822120), (25380, 808418), (26078, 786780), (26226, 782340), (26520, 773667), (27081, 757640), (27404, 748710), (27435, 747864), (27495, 746232), (27612, 743070), (27730, 739908), (28458, 720980), (28764, 713310), (29016, 707115), (29140, 704106), (29835, 687704), (30090, 681876), (30680, 668763), (31093, 659880), (31161, 658440), (31620, 648882), (31860, 643994), (31960, 641979), (32922, 623220), (32994, 621860), (33276, 616590), (33480, 612833), (34255, 598968), (34515, 594456), (34968, 586755), (35955, 570648), (36049, 569160), (36108, 568230), (36270, 565692), (36580, 560898), (36660, 559674), (37882, 541620), (37944, 540735), (39117, 524520), (39339, 521560), (39780, 515778), (40120, 511407), (41106, 499140), (41418, 495380), (41548, 493830), (41595, 493272), (43146, 475540), (43524, 471410), (43710, 469404), (43896, 467415), (43992, 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(83096, 246915), (83190, 246636), (85963, 238680), (86292, 237770), (87048, 235705), (87420, 234702), (90270, 227292), (92040, 222921), (93279, 219960), (93483, 219480), (94282, 217620), (94705, 216648), (94860, 216294), (95108, 215730), (95880, 213993), (98766, 207740), (99076, 207090), (99828, 205530), (102765, 199656), (103545, 198152), (103870, 197532), (104312, 196695), (104904, 195585), (107865, 190216), (108147, 189720), (108324, 189410), (108810, 188564), (109740, 186966), (109980, 186558), (110920, 184977), (113646, 180540), (113832, 180245), (117351, 174840), (118885, 172584), (119340, 171926), (120360, 170469), (123318, 166380), (123845, 165672), (124372, 164970), (124644, 164610), (124785, 164424), (130390, 157356), (131130, 156468), (131688, 155805), (131976, 155465), (135405, 151528), (137020, 149742), (138060, 148614), (141423, 145080), (142290, 144196), (142662, 143820)]