20851165440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 864

約数和(自身を含む): 89792102400

約数和(自身を除く): 68940936960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 31, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 62, 63, 64, 70, 72, 76, 80, 84, 90, 93, 95, 96, 105, 112, 114, 120, 124, 126, 128, 133, 140, 144, 152, 155, 160, 168, 171, 180, 186, 190, 192, 210, 217, 224, 228, 240, 248, 252, 256, 266, 279, 280, 285, 288, 304, 310, 315, 320, 336, 342, 360, 372, 380, 384, 399, 420, 434, 439, 448, 456, 465, 480, 496, 504, 532, 558, 560, 570, 576, 589, 608, 620, 630, 640, 651, 665, 672, 684, 720, 744, 760, 768, 798, 840, 855, 868, 878, 896, 912, 930, 960, 992, 1008, 1064, 1085, 1116, 1120, 1140, 1152, 1178, 1197, 1216, 1240, 1260, 1280, 1302, 1317, 1330, 1344, 1368, 1395, 1440, 1488, 1520, 1596, 1680, 1710, 1736, 1756, 1767, 1792, 1824, 1860, 1920, 1953, 1984, 1995, 2016, 2128, 2170, 2195, 2232, 2240, 2280, 2304, 2356, 2394, 2432, 2480, 2520, 2604, 2634, 2660, 2688, 2736, 2790, 2880, 2945, 2976, 3040, 3073, 3192, 3255, 3360, 3420, 3472, 3512, 3534, 3648, 3720, 3840, 3906, 3951, 3968, 3990, 4032, 4123, 4256, 4340, 4390, 4464, 4480, 4560, 4712, 4788, 4864, 4960, 5040, 5208, 5268, 5301, 5320, 5376, 5472, 5580, 5760, 5890, 5952, 5985, 6080, 6146, 6384, 6510, 6585, 6720, 6840, 6944, 7024, 7068, 7296, 7440, 7812, 7902, 7936, 7980, 8064, 8246, 8341, 8512, 8680, 8780, 8835, 8928, 8960, 9120, 9219, 9424, 9576, 9765, 9920, 10080, 10416, 10536, 10602, 10640, 10944, 11160, 11520, 11780, 11904, 11970, 12160, 12292, 12369, 12768, 13020, 13170, 13440, 13609, 13680, 13888, 14048, 14136, 14592, 14880, 15365, 15624, 15804, 15960, 16128, 16492, 16682, 17024, 17360, 17560, 17670, 17856, 18240, 18438, 18848, 19152, 19530, 19755, 19840, 20160, 20615, 20832, 21072, 21204, 21280, 21888, 22320, 23560, 23808, 23940, 24320, 24584, 24738, 25023, 25536, 26040, 26340, 26505, 26880, 27218, 27360, 27657, 27776, 28096, 28272, 29760, 30730, 31248, 31608, 31920, 32984, 33364, 34048, 34720, 35120, 35340, 35712, 36480, 36876, 37107, 37696, 38304, 39060, 39510, 39680, 40320, 40827, 41230, 41664, 41705, 42144, 42408, 42560, 43776, 44640, 46095, 47120, 47880, 49168, 49476, 50046, 51072, 52080, 52680, 53010, 54436, 54720, 55314, 55552, 56192, 56544, 58387, 59520, 61460, 61845, 62496, 63216, 63840, 65968, 66728, 68045, 69440, 70240, 70680, 71424, 72960, 73752, 74214, 75069, 75392, 76608, 78120, 79020, 80640, 81654, 82460, 83328, 83410, 84288, 84816, 85120, 89280, 92190, 94240, 95263, 95760, 98336, 98952, 100092, 102144, 104160, 105360, 106020, 108872, 109440, 110628, 112384, 113088, 116774, 119040, 122481, 122920, 123690, 124992, 125115, 126432, 127680, 131936, 133456, 136090, 138285, 138880, 140480, 141360, 147504, 148428, 150138, 150784, 153216, 156240, 158040, 163308, 164920, 166656, 166820, 168576, 169632, 170240, 175161, 178560, 184380, 185535, 188480, 190526, 191520, 196672, 197904, 200184, 204135, 208320, 210720, 212040, 217744, 218880, 221256, 226176, 233548, 244962, 245840, 247380, 249984, 250230, 252864, 255360, 258571, 263872, 266912, 272180, 276570, 277760, 280960, 282720, 285789, 291935, 295008, 296856, 300276, 306432, 312480, 316080, 326616, 329840, 333640, 337152, 339264, 350322, 357120, 368760, 371070, 375345, 376960, 381052, 383040, 393344, 395808, 400368, 408270, 416640, 421440, 424080, 435488, 442512, 452352, 467096, 476315, 489924, 491680, 494760, 499968, 500460, 505728, 510720, 517142, 525483, 527744, 533824, 544360, 553140, 561920, 565440, 571578, 583870, 590016, 593712, 600552, 612405, 624960, 632160, 653232, 659680, 667280, 678528, 700644, 737520, 742140, 750690, 753920, 762104, 766080, 775713, 786688, 791616, 800736, 816540, 833280, 842880, 848160, 857367, 870976, 875805, 885024, 934192, 952630, 979848, 983360, 989520, 1000920, 1011456, 1034284, 1050966, 1055488, 1067648, 1088720, 1106280, 1130880, 1143156, 1167740, 1180032, 1187424, 1201104, 1224810, 1249920, 1264320, 1292855, 1306464, 1319360, 1334560, 1357056, 1401288, 1428945, 1475040, 1484280, 1501380, 1524208, 1532160, 1551426, 1583232, 1601472, 1633080, 1685760, 1696320, 1714734, 1741952, 1751610, 1770048, 1809997, 1868384, 1905260, 1959696, 1966720, 1979040, 2001840, 2068568, 2101932, 2135296, 2177440, 2212560, 2261760, 2286312, 2327139, 2335480, 2360064, 2374848, 2402208, 2449620, 2499840, 2528640, 2585710, 2612928, 2627415, 2638720, 2669120, 2802576, 2857890, 2950080, 2968560, 3002760, 3048416, 3102852, 3166464, 3202944, 3266160, 3392640, 3429468, 3483904, 3503220, 3540096, 3619994, 3736768, 3810520, 3878565, 3919392, 3933440, 3958080, 4003680, 4137136, 4203864, 4286835, 4354880, 4425120, 4572624, 4654278, 4670960, 4749696, 4804416, 4899240, 5057280, 5171420, 5225856, 5254830, 5277440, 5338240, 5429991, 5605152, 5715780, 5900160, 5937120, 6005520, 6096832, 6205704, 6405888, 6532320, 6785280, 6858936, 7006440, 7080192, 7239988, 7473536, 7621040, 7757130, 7838784, 7916160, 8007360, 8274272, 8407728, 8573670, 8709760, 8850240, 9049985, 9145248, 9308556, 9341920, 9499392, 9608832, 9798480, 10342840, 10451712, 10509660, 10676480, 10859982, 11210304, 11431560, 11635695, 11800320, 11874240, 12011040, 12193664, 12411408, 13064640, 13717872, 14012880, 14479976, 14947072, 15242080, 15514260, 15677568, 15832320, 16014720, 16289973, 16548544, 16815456, 17147340, 17419520, 17700480, 18099970, 18290496, 18617112, 18683840, 19217664, 19596960, 20685680, 21019320, 21719964, 22420608, 22863120, 23271390, 23748480, 24022080, 24387328, 24822816, 26129280, 27149955, 27435744, 28025760, 28959952, 30484160, 31028520, 31355136, 32029440, 32579946, 33097088, 33630912, 34294680, 35400960, 36199940, 36580992, 37234224, 37367680, 39193920, 41371360, 42038640, 43439928, 44841216, 45726240, 46542780, 47496960, 48044160, 49645632, 52258560, 54299910, 54871488, 56051520, 57919904, 60968320, 62057040, 65159892, 66194176, 67261824, 68589360, 72399880, 73161984, 74468448, 74735360, 78387840, 81449865, 82742720, 84077280, 86879856, 91452480, 93085560, 96088320, 99291264, 108599820, 109742976, 112103040, 115839808, 121936640, 124114080, 130319784, 134523648, 137178720, 144799760, 148936896, 156775680, 162899730, 165485440, 168154560, 173759712, 182904960, 186171120, 198582528, 217199640, 219485952, 224206080, 231679616, 248228160, 260639568, 274357440, 289599520, 297873792, 325799460, 330970880, 336309120, 347519424, 365809920, 372342240, 434399280, 463359232, 496456320, 521279136, 548714880, 579199040, 595747584, 651598920, 672618240, 695038848, 744684480, 868798560, 992912640, 1042558272, 1097429760, 1158398080, 1303197840, 1390077696, 1489368960, 1737597120, 2085116544, 2316796160, 2606395680, 2978737920, 3475194240, 4170233088, 5212791360, 6950388480, 10425582720, 20851165440]

約数ペア:

[(1, 20851165440), (2, 10425582720), (3, 6950388480), (4, 5212791360), (5, 4170233088), (6, 3475194240), (7, 2978737920), (8, 2606395680), (9, 2316796160), (10, 2085116544), (12, 1737597120), (14, 1489368960), (15, 1390077696), (16, 1303197840), (18, 1158398080), (19, 1097429760), (20, 1042558272), (21, 992912640), (24, 868798560), (28, 744684480), (30, 695038848), (31, 672618240), (32, 651598920), (35, 595747584), (36, 579199040), (38, 548714880), (40, 521279136), (42, 496456320), (45, 463359232), (48, 434399280), (56, 372342240), (57, 365809920), (60, 347519424), (62, 336309120), (63, 330970880), (64, 325799460), (70, 297873792), (72, 289599520), (76, 274357440), (80, 260639568), (84, 248228160), (90, 231679616), (93, 224206080), (95, 219485952), (96, 217199640), (105, 198582528), (112, 186171120), (114, 182904960), (120, 173759712), (124, 168154560), (126, 165485440), (128, 162899730), (133, 156775680), (140, 148936896), (144, 144799760), (152, 137178720), (155, 134523648), (160, 130319784), (168, 124114080), (171, 121936640), (180, 115839808), (186, 112103040), (190, 109742976), (192, 108599820), (210, 99291264), (217, 96088320), (224, 93085560), (228, 91452480), (240, 86879856), (248, 84077280), (252, 82742720), (256, 81449865), (266, 78387840), (279, 74735360), (280, 74468448), (285, 73161984), (288, 72399880), (304, 68589360), (310, 67261824), (315, 66194176), (320, 65159892), (336, 62057040), (342, 60968320), (360, 57919904), (372, 56051520), (380, 54871488), (384, 54299910), (399, 52258560), (420, 49645632), (434, 48044160), (439, 47496960), (448, 46542780), (456, 45726240), (465, 44841216), (480, 43439928), (496, 42038640), (504, 41371360), (532, 39193920), (558, 37367680), (560, 37234224), (570, 36580992), (576, 36199940), (589, 35400960), (608, 34294680), (620, 33630912), (630, 33097088), (640, 32579946), (651, 32029440), (665, 31355136), (672, 31028520), (684, 30484160), (720, 28959952), (744, 28025760), (760, 27435744), (768, 27149955), (798, 26129280), (840, 24822816), (855, 24387328), (868, 24022080), (878, 23748480), (896, 23271390), (912, 22863120), (930, 22420608), (960, 21719964), (992, 21019320), (1008, 20685680), (1064, 19596960), (1085, 19217664), (1116, 18683840), (1120, 18617112), (1140, 18290496), (1152, 18099970), (1178, 17700480), (1197, 17419520), (1216, 17147340), (1240, 16815456), (1260, 16548544), (1280, 16289973), (1302, 16014720), (1317, 15832320), (1330, 15677568), (1344, 15514260), (1368, 15242080), (1395, 14947072), (1440, 14479976), (1488, 14012880), (1520, 13717872), (1596, 13064640), (1680, 12411408), (1710, 12193664), (1736, 12011040), (1756, 11874240), (1767, 11800320), (1792, 11635695), (1824, 11431560), (1860, 11210304), (1920, 10859982), (1953, 10676480), (1984, 10509660), (1995, 10451712), (2016, 10342840), (2128, 9798480), (2170, 9608832), (2195, 9499392), (2232, 9341920), (2240, 9308556), (2280, 9145248), (2304, 9049985), (2356, 8850240), (2394, 8709760), (2432, 8573670), (2480, 8407728), (2520, 8274272), (2604, 8007360), (2634, 7916160), (2660, 7838784), (2688, 7757130), (2736, 7621040), (2790, 7473536), (2880, 7239988), (2945, 7080192), (2976, 7006440), (3040, 6858936), (3073, 6785280), (3192, 6532320), (3255, 6405888), (3360, 6205704), (3420, 6096832), (3472, 6005520), (3512, 5937120), (3534, 5900160), (3648, 5715780), (3720, 5605152), (3840, 5429991), (3906, 5338240), (3951, 5277440), (3968, 5254830), (3990, 5225856), (4032, 5171420), (4123, 5057280), (4256, 4899240), (4340, 4804416), (4390, 4749696), (4464, 4670960), (4480, 4654278), (4560, 4572624), (4712, 4425120), (4788, 4354880), (4864, 4286835), (4960, 4203864), (5040, 4137136), (5208, 4003680), (5268, 3958080), (5301, 3933440), (5320, 3919392), (5376, 3878565), (5472, 3810520), (5580, 3736768), (5760, 3619994), (5890, 3540096), (5952, 3503220), (5985, 3483904), (6080, 3429468), (6146, 3392640), (6384, 3266160), (6510, 3202944), (6585, 3166464), (6720, 3102852), (6840, 3048416), (6944, 3002760), (7024, 2968560), (7068, 2950080), (7296, 2857890), (7440, 2802576), (7812, 2669120), (7902, 2638720), (7936, 2627415), (7980, 2612928), (8064, 2585710), (8246, 2528640), (8341, 2499840), (8512, 2449620), (8680, 2402208), (8780, 2374848), (8835, 2360064), (8928, 2335480), (8960, 2327139), (9120, 2286312), (9219, 2261760), (9424, 2212560), (9576, 2177440), (9765, 2135296), (9920, 2101932), (10080, 2068568), (10416, 2001840), (10536, 1979040), (10602, 1966720), (10640, 1959696), (10944, 1905260), (11160, 1868384), (11520, 1809997), (11780, 1770048), (11904, 1751610), (11970, 1741952), (12160, 1714734), (12292, 1696320), (12369, 1685760), (12768, 1633080), (13020, 1601472), (13170, 1583232), (13440, 1551426), (13609, 1532160), (13680, 1524208), (13888, 1501380), (14048, 1484280), (14136, 1475040), (14592, 1428945), (14880, 1401288), (15365, 1357056), (15624, 1334560), (15804, 1319360), (15960, 1306464), (16128, 1292855), (16492, 1264320), (16682, 1249920), (17024, 1224810), (17360, 1201104), (17560, 1187424), (17670, 1180032), (17856, 1167740), (18240, 1143156), (18438, 1130880), (18848, 1106280), (19152, 1088720), (19530, 1067648), (19755, 1055488), (19840, 1050966), (20160, 1034284), (20615, 1011456), (20832, 1000920), (21072, 989520), (21204, 983360), (21280, 979848), (21888, 952630), (22320, 934192), (23560, 885024), (23808, 875805), (23940, 870976), (24320, 857367), (24584, 848160), (24738, 842880), (25023, 833280), (25536, 816540), (26040, 800736), (26340, 791616), (26505, 786688), (26880, 775713), (27218, 766080), (27360, 762104), (27657, 753920), (27776, 750690), (28096, 742140), (28272, 737520), (29760, 700644), (30730, 678528), (31248, 667280), (31608, 659680), (31920, 653232), (32984, 632160), (33364, 624960), (34048, 612405), (34720, 600552), (35120, 593712), (35340, 590016), (35712, 583870), (36480, 571578), (36876, 565440), (37107, 561920), (37696, 553140), (38304, 544360), (39060, 533824), (39510, 527744), (39680, 525483), (40320, 517142), (40827, 510720), (41230, 505728), (41664, 500460), (41705, 499968), (42144, 494760), (42408, 491680), (42560, 489924), (43776, 476315), (44640, 467096), (46095, 452352), (47120, 442512), (47880, 435488), (49168, 424080), (49476, 421440), (50046, 416640), (51072, 408270), (52080, 400368), (52680, 395808), (53010, 393344), (54436, 383040), (54720, 381052), (55314, 376960), (55552, 375345), (56192, 371070), (56544, 368760), (58387, 357120), (59520, 350322), (61460, 339264), (61845, 337152), (62496, 333640), (63216, 329840), (63840, 326616), (65968, 316080), (66728, 312480), (68045, 306432), (69440, 300276), (70240, 296856), (70680, 295008), (71424, 291935), (72960, 285789), (73752, 282720), (74214, 280960), (75069, 277760), (75392, 276570), (76608, 272180), (78120, 266912), (79020, 263872), (80640, 258571), (81654, 255360), (82460, 252864), (83328, 250230), (83410, 249984), (84288, 247380), (84816, 245840), (85120, 244962), (89280, 233548), (92190, 226176), (94240, 221256), (95263, 218880), (95760, 217744), (98336, 212040), (98952, 210720), (100092, 208320), (102144, 204135), (104160, 200184), (105360, 197904), (106020, 196672), (108872, 191520), (109440, 190526), (110628, 188480), (112384, 185535), (113088, 184380), (116774, 178560), (119040, 175161), (122481, 170240), (122920, 169632), (123690, 168576), (124992, 166820), (125115, 166656), (126432, 164920), (127680, 163308), (131936, 158040), (133456, 156240), (136090, 153216), (138285, 150784), (138880, 150138), (140480, 148428), (141360, 147504)]