20956069440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78241}}^1$

素因数の和:78298

約数の個数: 224

約数和(自身を含む): 76314117120

約数和(自身を除く): 55358047680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 5952, 6696, 7440, 8370, 8640, 8928, 9920, 11160, 13392, 14880, 16740, 17856, 22320, 26784, 29760, 33480, 44640, 53568, 66960, 78241, 89280, 133920, 156482, 234723, 267840, 312964, 391205, 469446, 625928, 704169, 782410, 938892, 1173615, 1251856, 1408338, 1564820, 1877784, 2112507, 2347230, 2425471, 2503712, 2816676, 3129640, 3520845, 3755568, 4225014, 4694460, 4850942, 5007424, 5633352, 6259280, 7041690, 7276413, 7511136, 8450028, 9388920, 9701884, 10562535, 11266704, 12127355, 12518560, 14083380, 14552826, 15022272, 16900056, 18777840, 19403768, 21125070, 21829239, 22533408, 24254710, 25037120, 28166760, 29105652, 33800112, 36382065, 37555680, 38807536, 42250140, 43658478, 45066816, 48509420, 56333520, 58211304, 65487717, 67600224, 72764130, 75111360, 77615072, 84500280, 87316956, 97018840, 109146195, 112667040, 116422608, 130975434, 135200448, 145528260, 155230144, 169000560, 174633912, 194037680, 218292390, 225334080, 232845216, 261950868, 291056520, 327438585, 338001120, 349267824, 388075360, 436584780, 465690432, 523901736, 582113040, 654877170, 676002240, 698535648, 776150720, 873169560, 1047803472, 1164226080, 1309754340, 1397071296, 1746339120, 2095606944, 2328452160, 2619508680, 3492678240, 4191213888, 5239017360, 6985356480, 10478034720, 20956069440]

約数ペア:

[(1, 20956069440), (2, 10478034720), (3, 6985356480), (4, 5239017360), (5, 4191213888), (6, 3492678240), (8, 2619508680), (9, 2328452160), (10, 2095606944), (12, 1746339120), (15, 1397071296), (16, 1309754340), (18, 1164226080), (20, 1047803472), (24, 873169560), (27, 776150720), (30, 698535648), (31, 676002240), (32, 654877170), (36, 582113040), (40, 523901736), (45, 465690432), (48, 436584780), (54, 388075360), (60, 349267824), (62, 338001120), (64, 327438585), (72, 291056520), (80, 261950868), (90, 232845216), (93, 225334080), (96, 218292390), (108, 194037680), (120, 174633912), (124, 169000560), (135, 155230144), (144, 145528260), (155, 135200448), (160, 130975434), (180, 116422608), (186, 112667040), (192, 109146195), (216, 97018840), (240, 87316956), (248, 84500280), (270, 77615072), (279, 75111360), (288, 72764130), (310, 67600224), (320, 65487717), (360, 58211304), (372, 56333520), (432, 48509420), (465, 45066816), (480, 43658478), (496, 42250140), (540, 38807536), (558, 37555680), (576, 36382065), (620, 33800112), (720, 29105652), (744, 28166760), (837, 25037120), (864, 24254710), (930, 22533408), (960, 21829239), (992, 21125070), (1080, 19403768), (1116, 18777840), (1240, 16900056), (1395, 15022272), (1440, 14552826), (1488, 14083380), (1674, 12518560), (1728, 12127355), (1860, 11266704), (1984, 10562535), (2160, 9701884), (2232, 9388920), (2480, 8450028), (2790, 7511136), (2880, 7276413), (2976, 7041690), (3348, 6259280), (3720, 5633352), (4185, 5007424), (4320, 4850942), (4464, 4694460), (4960, 4225014), (5580, 3755568), (5952, 3520845), (6696, 3129640), (7440, 2816676), (8370, 2503712), (8640, 2425471), (8928, 2347230), (9920, 2112507), (11160, 1877784), (13392, 1564820), (14880, 1408338), (16740, 1251856), (17856, 1173615), (22320, 938892), (26784, 782410), (29760, 704169), (33480, 625928), (44640, 469446), (53568, 391205), (66960, 312964), (78241, 267840), (89280, 234723), (133920, 156482)]