20557955880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 576

約数和(自身を含む): 86430240000

約数和(自身を除く): 65872284120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 53, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 106, 110, 120, 126, 132, 140, 147, 154, 159, 165, 168, 180, 196, 198, 210, 212, 220, 231, 245, 252, 264, 265, 280, 294, 308, 315, 318, 330, 360, 371, 385, 392, 396, 420, 424, 440, 441, 462, 477, 490, 495, 504, 530, 539, 583, 588, 616, 630, 636, 660, 693, 735, 742, 770, 792, 795, 840, 882, 924, 954, 980, 990, 1060, 1078, 1113, 1155, 1166, 1176, 1260, 1272, 1320, 1386, 1470, 1484, 1540, 1590, 1617, 1749, 1764, 1848, 1855, 1908, 1960, 1980, 1999, 2120, 2156, 2205, 2226, 2310, 2332, 2385, 2520, 2597, 2695, 2772, 2915, 2940, 2968, 3080, 3180, 3234, 3339, 3465, 3498, 3528, 3710, 3816, 3960, 3998, 4081, 4312, 4410, 4452, 4620, 4664, 4770, 4851, 5194, 5247, 5390, 5544, 5565, 5830, 5880, 5997, 6360, 6468, 6678, 6930, 6996, 7420, 7791, 7996, 8085, 8162, 8745, 8820, 8904, 9240, 9540, 9702, 9995, 10388, 10494, 10780, 11130, 11660, 11994, 12243, 12936, 12985, 13356, 13860, 13992, 13993, 14840, 15582, 15992, 16170, 16324, 16695, 17490, 17640, 17991, 19080, 19404, 19990, 20405, 20776, 20988, 21560, 21989, 22260, 23320, 23373, 23988, 24255, 24486, 25970, 26235, 26712, 27720, 27986, 28567, 29985, 31164, 32340, 32648, 33390, 34980, 35982, 36729, 38808, 38955, 39980, 40810, 41976, 41979, 43978, 44520, 46746, 47976, 48510, 48972, 51940, 52470, 55972, 57134, 59970, 61215, 62328, 64680, 65967, 66780, 69960, 69965, 71964, 73458, 77910, 79960, 81620, 83958, 85701, 87956, 89955, 93492, 97020, 97944, 97951, 103880, 104940, 105947, 109945, 111944, 114268, 116865, 119940, 122430, 125937, 131934, 133560, 139930, 142835, 143928, 146916, 153923, 155820, 163240, 167916, 171402, 175912, 179910, 183645, 186984, 194040, 195902, 197901, 209880, 209895, 211894, 219890, 228536, 233730, 239880, 244860, 251874, 257103, 263868, 279860, 285670, 293832, 293853, 307846, 311640, 317841, 329835, 335832, 342804, 359820, 367290, 391804, 395802, 419790, 423788, 428505, 439780, 461769, 467460, 489720, 489755, 503748, 514206, 527736, 529735, 559720, 571340, 587706, 615692, 629685, 635682, 659670, 685608, 719640, 734580, 741629, 769615, 783608, 791604, 839580, 847576, 857010, 879560, 881559, 923538, 934920, 953523, 979510, 989505, 1007496, 1028412, 1059470, 1077461, 1142680, 1165417, 1175412, 1231384, 1259370, 1271364, 1285515, 1319340, 1385307, 1469160, 1469265, 1483258, 1539230, 1583208, 1589205, 1679160, 1714020, 1763118, 1847076, 1907046, 1959020, 1979010, 2056824, 2118940, 2154922, 2224887, 2308845, 2330834, 2350824, 2518740, 2542728, 2571030, 2638680, 2770614, 2938530, 2966516, 3078460, 3178410, 3232383, 3428040, 3496251, 3526236, 3694152, 3708145, 3814092, 3918040, 3958020, 4237880, 4309844, 4407795, 4449774, 4617690, 4661668, 4767615, 5037480, 5142060, 5191403, 5387305, 5541228, 5827085, 5877060, 5933032, 6156920, 6356820, 6464766, 6674661, 6926535, 6992502, 7052472, 7416290, 7628184, 7916040, 8157919, 8619688, 8815590, 8899548, 9235380, 9323336, 9535230, 9697149, 10284120, 10382806, 10488753, 10774610, 11082456, 11124435, 11654170, 11754120, 12713640, 12929532, 13349322, 13853070, 13985004, 14832580, 15574209, 16161915, 16315838, 17481255, 17631180, 17799096, 18470760, 19070460, 19394298, 20765612, 20977506, 21549220, 22248870, 23308340, 24473757, 25859064, 25957015, 26698644, 27706140, 27970008, 29665160, 31148418, 32323830, 32631676, 33373305, 34962510, 35262360, 38140920, 38788596, 40789595, 41531224, 41955012, 43098440, 44497740, 46616680, 46722627, 48485745, 48947514, 51914030, 52443765, 53397288, 55412280, 57105433, 62296836, 64647660, 65263352, 66746610, 69925020, 73421271, 77577192, 77871045, 81579190, 83910024, 88995480, 93445254, 96971490, 97895028, 103828060, 104887530, 114210866, 122368785, 124593672, 129295320, 133493220, 139850040, 146842542, 155742090, 163158380, 171316299, 186890508, 193942980, 195790056, 207656120, 209775060, 228421732, 233613135, 244737570, 266986440, 285527165, 293685084, 311484180, 326316760, 342632598, 367106355, 373781016, 387885960, 419550120, 456843464, 467226270, 489475140, 513948897, 571054330, 587370168, 622968360, 685265196, 734212710, 856581495, 934452540, 978950280, 1027897794, 1142108660, 1370530392, 1468425420, 1713162990, 1868905080, 2055795588, 2284217320, 2569744485, 2936850840, 3426325980, 4111591176, 5139488970, 6852651960, 10278977940, 20557955880]

約数ペア:

[(1, 20557955880), (2, 10278977940), (3, 6852651960), (4, 5139488970), (5, 4111591176), (6, 3426325980), (7, 2936850840), (8, 2569744485), (9, 2284217320), (10, 2055795588), (11, 1868905080), (12, 1713162990), (14, 1468425420), (15, 1370530392), (18, 1142108660), (20, 1027897794), (21, 978950280), (22, 934452540), (24, 856581495), (28, 734212710), (30, 685265196), (33, 622968360), (35, 587370168), (36, 571054330), (40, 513948897), (42, 489475140), (44, 467226270), (45, 456843464), (49, 419550120), (53, 387885960), (55, 373781016), (56, 367106355), (60, 342632598), (63, 326316760), (66, 311484180), (70, 293685084), (72, 285527165), (77, 266986440), (84, 244737570), (88, 233613135), (90, 228421732), (98, 209775060), (99, 207656120), (105, 195790056), (106, 193942980), (110, 186890508), (120, 171316299), (126, 163158380), (132, 155742090), (140, 146842542), (147, 139850040), (154, 133493220), (159, 129295320), (165, 124593672), (168, 122368785), (180, 114210866), (196, 104887530), (198, 103828060), (210, 97895028), (212, 96971490), (220, 93445254), (231, 88995480), (245, 83910024), (252, 81579190), (264, 77871045), (265, 77577192), (280, 73421271), (294, 69925020), (308, 66746610), (315, 65263352), (318, 64647660), (330, 62296836), (360, 57105433), (371, 55412280), (385, 53397288), (392, 52443765), (396, 51914030), (420, 48947514), (424, 48485745), (440, 46722627), (441, 46616680), (462, 44497740), (477, 43098440), (490, 41955012), (495, 41531224), (504, 40789595), (530, 38788596), (539, 38140920), (583, 35262360), (588, 34962510), (616, 33373305), (630, 32631676), (636, 32323830), (660, 31148418), (693, 29665160), (735, 27970008), (742, 27706140), (770, 26698644), (792, 25957015), (795, 25859064), (840, 24473757), (882, 23308340), (924, 22248870), (954, 21549220), (980, 20977506), (990, 20765612), (1060, 19394298), (1078, 19070460), (1113, 18470760), (1155, 17799096), (1166, 17631180), (1176, 17481255), (1260, 16315838), (1272, 16161915), (1320, 15574209), (1386, 14832580), (1470, 13985004), (1484, 13853070), (1540, 13349322), (1590, 12929532), (1617, 12713640), (1749, 11754120), (1764, 11654170), (1848, 11124435), (1855, 11082456), (1908, 10774610), (1960, 10488753), (1980, 10382806), (1999, 10284120), (2120, 9697149), (2156, 9535230), (2205, 9323336), (2226, 9235380), (2310, 8899548), (2332, 8815590), (2385, 8619688), (2520, 8157919), (2597, 7916040), (2695, 7628184), (2772, 7416290), (2915, 7052472), (2940, 6992502), (2968, 6926535), (3080, 6674661), (3180, 6464766), (3234, 6356820), (3339, 6156920), (3465, 5933032), (3498, 5877060), (3528, 5827085), (3710, 5541228), (3816, 5387305), (3960, 5191403), (3998, 5142060), (4081, 5037480), (4312, 4767615), (4410, 4661668), (4452, 4617690), (4620, 4449774), (4664, 4407795), (4770, 4309844), (4851, 4237880), (5194, 3958020), (5247, 3918040), (5390, 3814092), (5544, 3708145), (5565, 3694152), (5830, 3526236), (5880, 3496251), (5997, 3428040), (6360, 3232383), (6468, 3178410), (6678, 3078460), (6930, 2966516), (6996, 2938530), (7420, 2770614), (7791, 2638680), (7996, 2571030), (8085, 2542728), (8162, 2518740), (8745, 2350824), (8820, 2330834), (8904, 2308845), (9240, 2224887), (9540, 2154922), (9702, 2118940), (9995, 2056824), (10388, 1979010), (10494, 1959020), (10780, 1907046), (11130, 1847076), (11660, 1763118), (11994, 1714020), (12243, 1679160), (12936, 1589205), (12985, 1583208), (13356, 1539230), (13860, 1483258), (13992, 1469265), (13993, 1469160), (14840, 1385307), (15582, 1319340), (15992, 1285515), (16170, 1271364), (16324, 1259370), (16695, 1231384), (17490, 1175412), (17640, 1165417), (17991, 1142680), (19080, 1077461), (19404, 1059470), (19990, 1028412), (20405, 1007496), (20776, 989505), (20988, 979510), (21560, 953523), (21989, 934920), (22260, 923538), (23320, 881559), (23373, 879560), (23988, 857010), (24255, 847576), (24486, 839580), (25970, 791604), (26235, 783608), (26712, 769615), (27720, 741629), (27986, 734580), (28567, 719640), (29985, 685608), (31164, 659670), (32340, 635682), (32648, 629685), (33390, 615692), (34980, 587706), (35982, 571340), (36729, 559720), (38808, 529735), (38955, 527736), (39980, 514206), (40810, 503748), (41976, 489755), (41979, 489720), (43978, 467460), (44520, 461769), (46746, 439780), (47976, 428505), (48510, 423788), (48972, 419790), (51940, 395802), (52470, 391804), (55972, 367290), (57134, 359820), (59970, 342804), (61215, 335832), (62328, 329835), (64680, 317841), (65967, 311640), (66780, 307846), (69960, 293853), (69965, 293832), (71964, 285670), (73458, 279860), (77910, 263868), (79960, 257103), (81620, 251874), (83958, 244860), (85701, 239880), (87956, 233730), (89955, 228536), (93492, 219890), (97020, 211894), (97944, 209895), (97951, 209880), (103880, 197901), (104940, 195902), (105947, 194040), (109945, 186984), (111944, 183645), (114268, 179910), (116865, 175912), (119940, 171402), (122430, 167916), (125937, 163240), (131934, 155820), (133560, 153923), (139930, 146916), (142835, 143928)]