20168137728

素因数分解:

$2^{10}\times 3^3\times {\mathrm{31}}^1\times {\mathrm{23531}}^1$

素因数の和:23591

約数の個数: 176

約数和(自身を含む): 61657605120

約数和(自身を除く): 41489467392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 744, 768, 837, 864, 992, 1024, 1116, 1152, 1488, 1536, 1674, 1728, 1984, 2232, 2304, 2976, 3072, 3348, 3456, 3968, 4464, 4608, 5952, 6696, 6912, 7936, 8928, 9216, 11904, 13392, 13824, 15872, 17856, 23531, 23808, 26784, 27648, 31744, 35712, 47062, 47616, 53568, 70593, 71424, 94124, 95232, 107136, 141186, 142848, 188248, 211779, 214272, 282372, 285696, 376496, 423558, 428544, 564744, 635337, 729461, 752992, 847116, 857088, 1129488, 1270674, 1458922, 1505984, 1694232, 2188383, 2258976, 2541348, 2917844, 3011968, 3388464, 4376766, 4517952, 5082696, 5835688, 6023936, 6565149, 6776928, 8753532, 9035904, 10165392, 11671376, 12047872, 13130298, 13553856, 17507064, 18071808, 19695447, 20330784, 23342752, 24095744, 26260596, 27107712, 35014128, 36143616, 39390894, 40661568, 46685504, 52521192, 54215424, 70028256, 72287232, 78781788, 81323136, 93371008, 105042384, 108430848, 140056512, 157563576, 162646272, 186742016, 210084768, 216861696, 280113024, 315127152, 325292544, 373484032, 420169536, 560226048, 630254304, 650585088, 746968064, 840339072, 1120452096, 1260508608, 1680678144, 2240904192, 2521017216, 3361356288, 5042034432, 6722712576, 10084068864, 20168137728]

約数ペア:

[(1, 20168137728), (2, 10084068864), (3, 6722712576), (4, 5042034432), (6, 3361356288), (8, 2521017216), (9, 2240904192), (12, 1680678144), (16, 1260508608), (18, 1120452096), (24, 840339072), (27, 746968064), (31, 650585088), (32, 630254304), (36, 560226048), (48, 420169536), (54, 373484032), (62, 325292544), (64, 315127152), (72, 280113024), (93, 216861696), (96, 210084768), (108, 186742016), (124, 162646272), (128, 157563576), (144, 140056512), (186, 108430848), (192, 105042384), (216, 93371008), (248, 81323136), (256, 78781788), (279, 72287232), (288, 70028256), (372, 54215424), (384, 52521192), (432, 46685504), (496, 40661568), (512, 39390894), (558, 36143616), (576, 35014128), (744, 27107712), (768, 26260596), (837, 24095744), (864, 23342752), (992, 20330784), (1024, 19695447), (1116, 18071808), (1152, 17507064), (1488, 13553856), (1536, 13130298), (1674, 12047872), (1728, 11671376), (1984, 10165392), (2232, 9035904), (2304, 8753532), (2976, 6776928), (3072, 6565149), (3348, 6023936), (3456, 5835688), (3968, 5082696), (4464, 4517952), (4608, 4376766), (5952, 3388464), (6696, 3011968), (6912, 2917844), (7936, 2541348), (8928, 2258976), (9216, 2188383), (11904, 1694232), (13392, 1505984), (13824, 1458922), (15872, 1270674), (17856, 1129488), (23531, 857088), (23808, 847116), (26784, 752992), (27648, 729461), (31744, 635337), (35712, 564744), (47062, 428544), (47616, 423558), (53568, 376496), (70593, 285696), (71424, 282372), (94124, 214272), (95232, 211779), (107136, 188248), (141186, 142848)]