20727280512

素因数分解:

$2^7\times 3^4\times {\mathrm{31}}^1\times {\mathrm{64489}}^1$

素因数の和:64546

約数の個数: 160

約数和(自身を含む): 63674846400

約数和(自身を除く): 42947565888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3348, 3456, 3968, 4464, 5022, 5184, 5952, 6696, 8928, 10044, 10368, 11904, 13392, 17856, 20088, 26784, 35712, 40176, 53568, 64489, 80352, 107136, 128978, 160704, 193467, 257956, 321408, 386934, 515912, 580401, 773868, 1031824, 1160802, 1547736, 1741203, 1999159, 2063648, 2321604, 3095472, 3482406, 3998318, 4127296, 4643208, 5223609, 5997477, 6190944, 6964812, 7996636, 8254592, 9286416, 10447218, 11994954, 12381888, 13929624, 15993272, 17992431, 18572832, 20894436, 23989908, 24763776, 27859248, 31986544, 35984862, 37145664, 41788872, 47979816, 53977293, 55718496, 63973088, 71969724, 74291328, 83577744, 95959632, 107954586, 111436992, 127946176, 143939448, 161931879, 167155488, 191919264, 215909172, 222873984, 255892352, 287878896, 323863758, 334310976, 383838528, 431818344, 575757792, 647727516, 668621952, 767677056, 863636688, 1151515584, 1295455032, 1727273376, 2303031168, 2590910064, 3454546752, 5181820128, 6909093504, 10363640256, 20727280512]

約数ペア:

[(1, 20727280512), (2, 10363640256), (3, 6909093504), (4, 5181820128), (6, 3454546752), (8, 2590910064), (9, 2303031168), (12, 1727273376), (16, 1295455032), (18, 1151515584), (24, 863636688), (27, 767677056), (31, 668621952), (32, 647727516), (36, 575757792), (48, 431818344), (54, 383838528), (62, 334310976), (64, 323863758), (72, 287878896), (81, 255892352), (93, 222873984), (96, 215909172), (108, 191919264), (124, 167155488), (128, 161931879), (144, 143939448), (162, 127946176), (186, 111436992), (192, 107954586), (216, 95959632), (248, 83577744), (279, 74291328), (288, 71969724), (324, 63973088), (372, 55718496), (384, 53977293), (432, 47979816), (496, 41788872), (558, 37145664), (576, 35984862), (648, 31986544), (744, 27859248), (837, 24763776), (864, 23989908), (992, 20894436), (1116, 18572832), (1152, 17992431), (1296, 15993272), (1488, 13929624), (1674, 12381888), (1728, 11994954), (1984, 10447218), (2232, 9286416), (2511, 8254592), (2592, 7996636), (2976, 6964812), (3348, 6190944), (3456, 5997477), (3968, 5223609), (4464, 4643208), (5022, 4127296), (5184, 3998318), (5952, 3482406), (6696, 3095472), (8928, 2321604), (10044, 2063648), (10368, 1999159), (11904, 1741203), (13392, 1547736), (17856, 1160802), (20088, 1031824), (26784, 773868), (35712, 580401), (40176, 515912), (53568, 386934), (64489, 321408), (80352, 257956), (107136, 193467), (128978, 160704)]