20212065720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 768

約数和(自身を含む): 86664314880

約数和(自身を除く): 66452249160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 31, 33, 35, 36, 40, 42, 43, 44, 45, 55, 56, 60, 62, 63, 66, 70, 72, 77, 84, 86, 88, 90, 93, 99, 105, 110, 120, 124, 126, 129, 132, 140, 154, 155, 165, 168, 172, 180, 186, 198, 210, 215, 217, 220, 231, 248, 252, 258, 264, 279, 280, 301, 308, 310, 315, 330, 341, 344, 360, 372, 385, 387, 396, 420, 430, 434, 440, 462, 465, 473, 495, 504, 516, 547, 558, 602, 616, 620, 630, 645, 651, 660, 682, 693, 744, 770, 774, 792, 840, 860, 868, 903, 924, 930, 946, 990, 1023, 1032, 1085, 1094, 1116, 1155, 1204, 1240, 1260, 1290, 1302, 1320, 1333, 1364, 1386, 1395, 1419, 1505, 1540, 1548, 1641, 1705, 1720, 1736, 1806, 1848, 1860, 1892, 1935, 1953, 1980, 2046, 2170, 2188, 2232, 2310, 2365, 2387, 2408, 2520, 2580, 2604, 2666, 2709, 2728, 2735, 2772, 2790, 2838, 3010, 3069, 3080, 3096, 3255, 3282, 3311, 3410, 3465, 3612, 3720, 3784, 3829, 3870, 3906, 3960, 3999, 4092, 4257, 4340, 4376, 4515, 4620, 4730, 4774, 4923, 5115, 5160, 5208, 5332, 5418, 5470, 5544, 5580, 5676, 6017, 6020, 6138, 6510, 6564, 6622, 6665, 6820, 6930, 7095, 7161, 7224, 7658, 7740, 7812, 7998, 8184, 8205, 8514, 8680, 9030, 9240, 9331, 9460, 9548, 9765, 9846, 9933, 10230, 10664, 10836, 10940, 11160, 11352, 11487, 11935, 11997, 12034, 12040, 12276, 13020, 13128, 13244, 13330, 13545, 13640, 13860, 14190, 14322, 14663, 15316, 15345, 15480, 15624, 15996, 16410, 16555, 16957, 17028, 18051, 18060, 18662, 18920, 19096, 19145, 19530, 19692, 19866, 19995, 20460, 21285, 21483, 21672, 21880, 22974, 23521, 23870, 23994, 24068, 24552, 24615, 26040, 26488, 26660, 27090, 27720, 27993, 28380, 28644, 29326, 29799, 30085, 30632, 30690, 31992, 32820, 33110, 33914, 34056, 34461, 35805, 36102, 36120, 37324, 38290, 39060, 39384, 39732, 39990, 40920, 42119, 42570, 42966, 43989, 45948, 46655, 47042, 47740, 47988, 48136, 49230, 49665, 50871, 53320, 54153, 54180, 55986, 56760, 57288, 57435, 58652, 59598, 59985, 60170, 61380, 65640, 66220, 67828, 68922, 70563, 71610, 72204, 73315, 74648, 76580, 78120, 79464, 79980, 83979, 84238, 84785, 85140, 85932, 87978, 90255, 91896, 93310, 94084, 95480, 95976, 98460, 99330, 101742, 102641, 107415, 108306, 108360, 111972, 114870, 117304, 117605, 118699, 119196, 119970, 120340, 122760, 126357, 131967, 132440, 135656, 137844, 139965, 141126, 143220, 144408, 146630, 148995, 152613, 153160, 159960, 164647, 167958, 168476, 169570, 170280, 171864, 172305, 175956, 180510, 186527, 186620, 188168, 196920, 198660, 203484, 205282, 210595, 211689, 214830, 216612, 219945, 223944, 229740, 235210, 237398, 238392, 239940, 240680, 252714, 254355, 258731, 263934, 270765, 275688, 279930, 282252, 286440, 293260, 297990, 305226, 307923, 329294, 335916, 336952, 339140, 344610, 351912, 352815, 356097, 361020, 373054, 373240, 379071, 397320, 406968, 410564, 419895, 421190, 423378, 429660, 433224, 439890, 459480, 470420, 474796, 479880, 493941, 505428, 508710, 513205, 517462, 527868, 541530, 559581, 559860, 564504, 586520, 593495, 595980, 610452, 615846, 631785, 658588, 659835, 671832, 678280, 689220, 705630, 712194, 722040, 729151, 746108, 758142, 763065, 776193, 821128, 823235, 839790, 842380, 846756, 859320, 879780, 923769, 932635, 940840, 949592, 987882, 1010856, 1017420, 1026410, 1034924, 1055736, 1058445, 1068291, 1083060, 1119162, 1119720, 1186990, 1191960, 1220904, 1231692, 1263570, 1293655, 1305689, 1317176, 1319670, 1378440, 1411260, 1424388, 1458302, 1481823, 1492216, 1516284, 1526130, 1539615, 1552386, 1646470, 1678743, 1679580, 1684760, 1693512, 1759560, 1780485, 1811117, 1847538, 1865270, 1895355, 1975764, 2034840, 2052820, 2069848, 2116890, 2136582, 2166120, 2187453, 2238324, 2328579, 2373980, 2463384, 2469705, 2527140, 2587310, 2611378, 2639340, 2797905, 2822520, 2848776, 2916604, 2963646, 3032568, 3052260, 3079230, 3104772, 3292940, 3357486, 3359160, 3560970, 3622234, 3645755, 3695076, 3730540, 3790710, 3880965, 3917067, 3951528, 4105640, 4233780, 4273164, 4374906, 4476648, 4618845, 4657158, 4747960, 4939410, 5054280, 5104057, 5174620, 5222756, 5278680, 5341455, 5433351, 5595810, 5833208, 5927292, 6104520, 6158460, 6209544, 6528445, 6562359, 6585880, 6714972, 7121940, 7244468, 7291510, 7390152, 7409115, 7461080, 7581420, 7761930, 7834134, 8020661, 8393715, 8467560, 8546328, 8749812, 9055585, 9237690, 9314316, 9878820, 10208114, 10349240, 10445512, 10682910, 10866702, 10937265, 11191620, 11642895, 11751201, 11854584, 12316920, 13056890, 13124718, 13429944, 14243880, 14488936, 14583020, 14818230, 15162840, 15312171, 15523860, 15668268, 16041322, 16300053, 16787430, 17499624, 18111170, 18475380, 18628632, 19585335, 19757640, 20416228, 21365820, 21733404, 21874530, 22383240, 23285790, 23502402, 24061983, 25520285, 26113780, 26249436, 27166755, 29166040, 29636460, 30624342, 31047720, 31336536, 32082644, 32600106, 32811795, 33574860, 36222340, 36950760, 39170670, 40103305, 40832456, 42731640, 43466808, 43749060, 45936513, 46571580, 47004804, 48123966, 51040570, 52227560, 52498872, 54333510, 56144627, 58756005, 59272920, 61248684, 64165288, 65200212, 65623590, 67149720, 72185949, 72444680, 76560855, 78341340, 80206610, 81500265, 87498120, 91873026, 93143160, 94009608, 96247932, 102081140, 108667020, 112289254, 117512010, 120309915, 122497368, 130400424, 131247180, 144371898, 153121710, 156682680, 160413220, 163000530, 168433881, 183746052, 192495864, 204162280, 217334040, 224578508, 229682565, 235024020, 240619830, 262494360, 280723135, 288743796, 306243420, 320826440, 326001060, 336867762, 360929745, 367492104, 449157016, 459365130, 470048040, 481239660, 505301643, 561446270, 577487592, 612486840, 652002120, 673735524, 721859490, 842169405, 918730260, 962479320, 1010603286, 1122892540, 1347471048, 1443718980, 1684338810, 1837460520, 2021206572, 2245785080, 2526508215, 2887437960, 3368677620, 4042413144, 5053016430, 6737355240, 10106032860, 20212065720]

約数ペア:

[(1, 20212065720), (2, 10106032860), (3, 6737355240), (4, 5053016430), (5, 4042413144), (6, 3368677620), (7, 2887437960), (8, 2526508215), (9, 2245785080), (10, 2021206572), (11, 1837460520), (12, 1684338810), (14, 1443718980), (15, 1347471048), (18, 1122892540), (20, 1010603286), (21, 962479320), (22, 918730260), (24, 842169405), (28, 721859490), (30, 673735524), (31, 652002120), (33, 612486840), (35, 577487592), (36, 561446270), (40, 505301643), (42, 481239660), (43, 470048040), (44, 459365130), (45, 449157016), (55, 367492104), (56, 360929745), (60, 336867762), (62, 326001060), (63, 320826440), (66, 306243420), (70, 288743796), (72, 280723135), (77, 262494360), (84, 240619830), (86, 235024020), (88, 229682565), (90, 224578508), (93, 217334040), (99, 204162280), (105, 192495864), (110, 183746052), (120, 168433881), (124, 163000530), (126, 160413220), (129, 156682680), (132, 153121710), (140, 144371898), (154, 131247180), (155, 130400424), (165, 122497368), (168, 120309915), (172, 117512010), (180, 112289254), (186, 108667020), (198, 102081140), (210, 96247932), (215, 94009608), (217, 93143160), (220, 91873026), (231, 87498120), (248, 81500265), (252, 80206610), (258, 78341340), (264, 76560855), (279, 72444680), (280, 72185949), (301, 67149720), (308, 65623590), (310, 65200212), (315, 64165288), (330, 61248684), (341, 59272920), (344, 58756005), (360, 56144627), (372, 54333510), (385, 52498872), (387, 52227560), (396, 51040570), (420, 48123966), (430, 47004804), (434, 46571580), (440, 45936513), (462, 43749060), (465, 43466808), (473, 42731640), (495, 40832456), (504, 40103305), (516, 39170670), (547, 36950760), (558, 36222340), (602, 33574860), (616, 32811795), (620, 32600106), (630, 32082644), (645, 31336536), (651, 31047720), (660, 30624342), (682, 29636460), (693, 29166040), (744, 27166755), (770, 26249436), (774, 26113780), (792, 25520285), (840, 24061983), (860, 23502402), (868, 23285790), (903, 22383240), (924, 21874530), (930, 21733404), (946, 21365820), (990, 20416228), (1023, 19757640), (1032, 19585335), (1085, 18628632), (1094, 18475380), (1116, 18111170), (1155, 17499624), (1204, 16787430), (1240, 16300053), (1260, 16041322), (1290, 15668268), (1302, 15523860), (1320, 15312171), (1333, 15162840), (1364, 14818230), (1386, 14583020), (1395, 14488936), (1419, 14243880), (1505, 13429944), (1540, 13124718), (1548, 13056890), (1641, 12316920), (1705, 11854584), (1720, 11751201), (1736, 11642895), (1806, 11191620), (1848, 10937265), (1860, 10866702), (1892, 10682910), (1935, 10445512), (1953, 10349240), (1980, 10208114), (2046, 9878820), (2170, 9314316), (2188, 9237690), (2232, 9055585), (2310, 8749812), (2365, 8546328), (2387, 8467560), (2408, 8393715), (2520, 8020661), (2580, 7834134), (2604, 7761930), (2666, 7581420), (2709, 7461080), (2728, 7409115), (2735, 7390152), (2772, 7291510), (2790, 7244468), (2838, 7121940), (3010, 6714972), (3069, 6585880), (3080, 6562359), (3096, 6528445), (3255, 6209544), (3282, 6158460), (3311, 6104520), (3410, 5927292), (3465, 5833208), (3612, 5595810), (3720, 5433351), (3784, 5341455), (3829, 5278680), (3870, 5222756), (3906, 5174620), (3960, 5104057), (3999, 5054280), (4092, 4939410), (4257, 4747960), (4340, 4657158), (4376, 4618845), (4515, 4476648), (4620, 4374906), (4730, 4273164), (4774, 4233780), (4923, 4105640), (5115, 3951528), (5160, 3917067), (5208, 3880965), (5332, 3790710), (5418, 3730540), (5470, 3695076), (5544, 3645755), (5580, 3622234), (5676, 3560970), (6017, 3359160), (6020, 3357486), (6138, 3292940), (6510, 3104772), (6564, 3079230), (6622, 3052260), (6665, 3032568), (6820, 2963646), (6930, 2916604), (7095, 2848776), (7161, 2822520), (7224, 2797905), (7658, 2639340), (7740, 2611378), (7812, 2587310), (7998, 2527140), (8184, 2469705), (8205, 2463384), (8514, 2373980), (8680, 2328579), (9030, 2238324), (9240, 2187453), (9331, 2166120), (9460, 2136582), (9548, 2116890), (9765, 2069848), (9846, 2052820), (9933, 2034840), (10230, 1975764), (10664, 1895355), (10836, 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(28380, 712194), (28644, 705630), (29326, 689220), (29799, 678280), (30085, 671832), (30632, 659835), (30690, 658588), (31992, 631785), (32820, 615846), (33110, 610452), (33914, 595980), (34056, 593495), (34461, 586520), (35805, 564504), (36102, 559860), (36120, 559581), (37324, 541530), (38290, 527868), (39060, 517462), (39384, 513205), (39732, 508710), (39990, 505428), (40920, 493941), (42119, 479880), (42570, 474796), (42966, 470420), (43989, 459480), (45948, 439890), (46655, 433224), (47042, 429660), (47740, 423378), (47988, 421190), (48136, 419895), (49230, 410564), (49665, 406968), (50871, 397320), (53320, 379071), (54153, 373240), (54180, 373054), (55986, 361020), (56760, 356097), (57288, 352815), (57435, 351912), (58652, 344610), (59598, 339140), (59985, 336952), (60170, 335916), (61380, 329294), (65640, 307923), (66220, 305226), (67828, 297990), (68922, 293260), (70563, 286440), (71610, 282252), (72204, 279930), (73315, 275688), (74648, 270765), (76580, 263934), (78120, 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