20999726208

素因数分解:

$2^7\times 3^2\times {\mathrm{389}}^1\times {\mathrm{46861}}^1$

素因数の和:47270

約数の個数: 96

約数和(自身を含む): 60585536700

約数和(自身を除く): 39585810492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 389, 576, 778, 1152, 1167, 1556, 2334, 3112, 3501, 4668, 6224, 7002, 9336, 12448, 14004, 18672, 24896, 28008, 37344, 46861, 49792, 56016, 74688, 93722, 112032, 140583, 149376, 187444, 224064, 281166, 374888, 421749, 448128, 562332, 749776, 843498, 1124664, 1499552, 1686996, 2249328, 2999104, 3373992, 4498656, 5998208, 6747984, 8997312, 13495968, 17994624, 18228929, 26991936, 36457858, 53983872, 54686787, 72915716, 109373574, 145831432, 164060361, 218747148, 291662864, 328120722, 437494296, 583325728, 656241444, 874988592, 1166651456, 1312482888, 1749977184, 2333302912, 2624965776, 3499954368, 5249931552, 6999908736, 10499863104, 20999726208]

約数ペア:

[(1, 20999726208), (2, 10499863104), (3, 6999908736), (4, 5249931552), (6, 3499954368), (8, 2624965776), (9, 2333302912), (12, 1749977184), (16, 1312482888), (18, 1166651456), (24, 874988592), (32, 656241444), (36, 583325728), (48, 437494296), (64, 328120722), (72, 291662864), (96, 218747148), (128, 164060361), (144, 145831432), (192, 109373574), (288, 72915716), (384, 54686787), (389, 53983872), (576, 36457858), (778, 26991936), (1152, 18228929), (1167, 17994624), (1556, 13495968), (2334, 8997312), (3112, 6747984), (3501, 5998208), (4668, 4498656), (6224, 3373992), (7002, 2999104), (9336, 2249328), (12448, 1686996), (14004, 1499552), (18672, 1124664), (24896, 843498), (28008, 749776), (37344, 562332), (46861, 448128), (49792, 421749), (56016, 374888), (74688, 281166), (93722, 224064), (112032, 187444), (140583, 149376)]