20784433920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:300

約数の個数: 576

約数和(自身を含む): 74596515840

約数和(自身を除く): 53812081920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 64, 68, 69, 80, 85, 92, 96, 102, 109, 115, 120, 127, 128, 136, 138, 160, 170, 184, 192, 204, 218, 230, 240, 254, 255, 256, 272, 276, 320, 327, 340, 345, 368, 381, 384, 391, 408, 436, 460, 480, 508, 510, 544, 545, 552, 635, 640, 654, 680, 690, 736, 762, 768, 782, 816, 872, 920, 960, 1016, 1020, 1088, 1090, 1104, 1173, 1270, 1280, 1308, 1360, 1380, 1472, 1524, 1564, 1632, 1635, 1744, 1840, 1853, 1905, 1920, 1955, 2032, 2040, 2159, 2176, 2180, 2208, 2346, 2507, 2540, 2616, 2720, 2760, 2921, 2944, 3048, 3128, 3264, 3270, 3488, 3680, 3706, 3810, 3840, 3910, 4064, 4080, 4318, 4352, 4360, 4416, 4692, 5014, 5080, 5232, 5440, 5520, 5559, 5842, 5865, 5888, 6096, 6256, 6477, 6528, 6540, 6976, 7360, 7412, 7521, 7620, 7820, 8128, 8160, 8636, 8720, 8763, 8832, 9265, 9384, 10028, 10160, 10464, 10795, 10880, 11040, 11118, 11684, 11730, 12192, 12512, 12535, 12954, 13056, 13080, 13843, 13952, 14605, 14720, 14824, 15042, 15240, 15640, 16256, 16320, 17272, 17440, 17526, 17664, 18530, 18768, 20056, 20320, 20928, 21590, 21760, 22080, 22236, 23368, 23460, 24384, 25024, 25070, 25908, 26160, 27686, 27795, 27904, 29210, 29440, 29648, 30084, 30480, 31280, 32385, 32512, 32640, 34544, 34880, 35052, 37060, 37536, 37605, 40112, 40640, 41529, 41856, 42619, 43180, 43815, 44160, 44472, 46736, 46920, 48768, 49657, 50048, 50140, 51816, 52320, 55372, 55590, 58420, 59296, 60168, 60960, 62560, 64770, 65280, 69088, 69215, 69760, 70104, 74120, 75072, 75210, 80224, 81280, 83058, 83712, 85238, 86360, 87630, 88320, 88944, 93472, 93840, 97536, 99314, 100096, 100280, 103632, 104640, 110744, 111180, 116840, 118592, 120336, 121920, 125120, 127857, 129540, 138176, 138430, 139520, 140208, 148240, 148971, 150144, 150420, 160448, 162560, 166116, 170476, 172720, 175260, 177888, 186944, 187680, 198628, 200560, 207264, 207645, 209280, 213095, 221488, 222360, 233680, 235331, 237184, 240672, 243840, 248285, 250240, 255714, 259080, 276352, 276860, 280416, 296480, 297942, 300288, 300840, 318389, 320896, 332232, 340952, 345440, 350520, 355776, 373888, 375360, 397256, 401120, 414528, 415290, 418560, 426190, 442976, 444720, 467360, 470662, 474368, 481344, 487680, 496570, 500480, 511428, 518160, 552704, 553720, 560832, 592960, 595884, 601680, 636778, 639285, 641792, 664464, 681904, 690880, 701040, 705993, 711552, 744855, 747776, 750720, 794512, 802240, 829056, 830580, 852380, 885952, 889440, 934720, 941324, 955167, 962688, 993140, 1022856, 1036320, 1107440, 1121664, 1176655, 1185920, 1191768, 1203360, 1273556, 1278570, 1328928, 1363808, 1381760, 1402080, 1411986, 1423104, 1489710, 1501440, 1589024, 1591945, 1604480, 1658112, 1661160, 1704760, 1771904, 1778880, 1869440, 1882648, 1910334, 1925376, 1986280, 2045712, 2072640, 2214880, 2243328, 2353310, 2371840, 2383536, 2406720, 2547112, 2557140, 2657856, 2727616, 2763520, 2804160, 2823972, 2979420, 3178048, 3183890, 3208960, 3322320, 3409520, 3529965, 3543808, 3557760, 3738880, 3765296, 3820668, 3972560, 4091424, 4145280, 4429760, 4706620, 4767072, 4775835, 4813440, 5094224, 5114280, 5315712, 5412613, 5455232, 5608320, 5647944, 5958840, 6356096, 6367780, 6644640, 6819040, 7059930, 7115520, 7530592, 7641336, 7945120, 8182848, 8290560, 8859520, 9413240, 9534144, 9551670, 9626880, 10188448, 10228560, 10631424, 10825226, 10910464, 11216640, 11295888, 11917680, 12712192, 12735560, 13289280, 13638080, 14119860, 15061184, 15282672, 15890240, 16237839, 16365696, 17719040, 18826480, 19068288, 19103340, 20376896, 20457120, 21650452, 22591776, 23835360, 25471120, 26578560, 27063065, 27276160, 28239720, 30122368, 30565344, 31780480, 32475678, 32731392, 37652960, 38136576, 38206680, 40753792, 40914240, 43300904, 45183552, 47670720, 50942240, 53157120, 54126130, 54552320, 56479440, 60244736, 61130688, 63560960, 64951356, 75305920, 76413360, 81189195, 81507584, 81828480, 86601808, 90367104, 95341440, 101884480, 108252260, 112958880, 122261376, 129902712, 150611840, 152826720, 162378390, 163656960, 173203616, 180734208, 190682880, 203768960, 216504520, 225917760, 244522752, 259805424, 301223680, 305653440, 324756780, 346407232, 407537920, 433009040, 451835520, 519610848, 611306880, 649513560, 692814464, 866018080, 903671040, 1039221696, 1222613760, 1299027120, 1385628928, 1732036160, 2078443392, 2598054240, 3464072320, 4156886784, 5196108480, 6928144640, 10392216960, 20784433920]

約数ペア:

[(1, 20784433920), (2, 10392216960), (3, 6928144640), (4, 5196108480), (5, 4156886784), (6, 3464072320), (8, 2598054240), (10, 2078443392), (12, 1732036160), (15, 1385628928), (16, 1299027120), (17, 1222613760), (20, 1039221696), (23, 903671040), (24, 866018080), (30, 692814464), (32, 649513560), (34, 611306880), (40, 519610848), (46, 451835520), (48, 433009040), (51, 407537920), (60, 346407232), (64, 324756780), (68, 305653440), (69, 301223680), (80, 259805424), (85, 244522752), (92, 225917760), (96, 216504520), (102, 203768960), (109, 190682880), (115, 180734208), (120, 173203616), (127, 163656960), (128, 162378390), (136, 152826720), (138, 150611840), (160, 129902712), (170, 122261376), (184, 112958880), (192, 108252260), (204, 101884480), (218, 95341440), (230, 90367104), (240, 86601808), (254, 81828480), (255, 81507584), (256, 81189195), (272, 76413360), (276, 75305920), (320, 64951356), (327, 63560960), (340, 61130688), (345, 60244736), (368, 56479440), (381, 54552320), (384, 54126130), (391, 53157120), (408, 50942240), (436, 47670720), (460, 45183552), (480, 43300904), (508, 40914240), (510, 40753792), (544, 38206680), (545, 38136576), (552, 37652960), (635, 32731392), (640, 32475678), (654, 31780480), (680, 30565344), (690, 30122368), (736, 28239720), (762, 27276160), (768, 27063065), (782, 26578560), (816, 25471120), (872, 23835360), (920, 22591776), (960, 21650452), (1016, 20457120), (1020, 20376896), (1088, 19103340), (1090, 19068288), (1104, 18826480), (1173, 17719040), (1270, 16365696), (1280, 16237839), (1308, 15890240), (1360, 15282672), (1380, 15061184), (1472, 14119860), (1524, 13638080), (1564, 13289280), (1632, 12735560), (1635, 12712192), (1744, 11917680), (1840, 11295888), (1853, 11216640), (1905, 10910464), (1920, 10825226), (1955, 10631424), (2032, 10228560), (2040, 10188448), (2159, 9626880), (2176, 9551670), (2180, 9534144), (2208, 9413240), (2346, 8859520), (2507, 8290560), (2540, 8182848), (2616, 7945120), (2720, 7641336), (2760, 7530592), (2921, 7115520), (2944, 7059930), (3048, 6819040), (3128, 6644640), (3264, 6367780), (3270, 6356096), (3488, 5958840), (3680, 5647944), (3706, 5608320), (3810, 5455232), (3840, 5412613), (3910, 5315712), (4064, 5114280), (4080, 5094224), (4318, 4813440), (4352, 4775835), (4360, 4767072), (4416, 4706620), (4692, 4429760), (5014, 4145280), (5080, 4091424), (5232, 3972560), (5440, 3820668), (5520, 3765296), (5559, 3738880), (5842, 3557760), (5865, 3543808), (5888, 3529965), (6096, 3409520), (6256, 3322320), (6477, 3208960), (6528, 3183890), (6540, 3178048), (6976, 2979420), (7360, 2823972), (7412, 2804160), (7521, 2763520), (7620, 2727616), (7820, 2657856), (8128, 2557140), (8160, 2547112), (8636, 2406720), (8720, 2383536), (8763, 2371840), (8832, 2353310), (9265, 2243328), (9384, 2214880), (10028, 2072640), (10160, 2045712), (10464, 1986280), (10795, 1925376), (10880, 1910334), (11040, 1882648), (11118, 1869440), (11684, 1778880), (11730, 1771904), (12192, 1704760), (12512, 1661160), (12535, 1658112), (12954, 1604480), (13056, 1591945), (13080, 1589024), (13843, 1501440), (13952, 1489710), (14605, 1423104), (14720, 1411986), (14824, 1402080), (15042, 1381760), (15240, 1363808), (15640, 1328928), (16256, 1278570), (16320, 1273556), (17272, 1203360), (17440, 1191768), (17526, 1185920), (17664, 1176655), (18530, 1121664), (18768, 1107440), (20056, 1036320), (20320, 1022856), (20928, 993140), (21590, 962688), (21760, 955167), (22080, 941324), (22236, 934720), (23368, 889440), (23460, 885952), (24384, 852380), (25024, 830580), (25070, 829056), (25908, 802240), (26160, 794512), (27686, 750720), (27795, 747776), (27904, 744855), (29210, 711552), (29440, 705993), (29648, 701040), (30084, 690880), (30480, 681904), (31280, 664464), (32385, 641792), (32512, 639285), (32640, 636778), (34544, 601680), (34880, 595884), (35052, 592960), (37060, 560832), (37536, 553720), (37605, 552704), (40112, 518160), (40640, 511428), (41529, 500480), (41856, 496570), (42619, 487680), (43180, 481344), (43815, 474368), (44160, 470662), (44472, 467360), (46736, 444720), (46920, 442976), (48768, 426190), (49657, 418560), (50048, 415290), (50140, 414528), (51816, 401120), (52320, 397256), (55372, 375360), (55590, 373888), (58420, 355776), (59296, 350520), (60168, 345440), (60960, 340952), (62560, 332232), (64770, 320896), (65280, 318389), (69088, 300840), (69215, 300288), (69760, 297942), (70104, 296480), (74120, 280416), (75072, 276860), (75210, 276352), (80224, 259080), (81280, 255714), (83058, 250240), (83712, 248285), (85238, 243840), (86360, 240672), (87630, 237184), (88320, 235331), (88944, 233680), (93472, 222360), (93840, 221488), (97536, 213095), (99314, 209280), (100096, 207645), (100280, 207264), (103632, 200560), (104640, 198628), (110744, 187680), (111180, 186944), (116840, 177888), (118592, 175260), (120336, 172720), (121920, 170476), (125120, 166116), (127857, 162560), (129540, 160448), (138176, 150420), (138430, 150144), (139520, 148971), (140208, 148240)]