20216173072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{11731}}^1$

素因数の和:11888

約数の個数: 80

約数和(自身を含む): 41792575104

約数和(自身を除く): 21576402032

約数列:

[1, 2, 4, 8, 16, 37, 41, 71, 74, 82, 142, 148, 164, 284, 296, 328, 568, 592, 656, 1136, 1517, 2627, 2911, 3034, 5254, 5822, 6068, 10508, 11644, 11731, 12136, 21016, 23288, 23462, 24272, 42032, 46576, 46924, 93848, 107707, 187696, 215414, 430828, 434047, 480971, 832901, 861656, 868094, 961942, 1665802, 1723312, 1736188, 1923884, 3331604, 3472376, 3847768, 6663208, 6944752, 7695536, 13326416, 17795927, 30817337, 34148941, 35591854, 61634674, 68297882, 71183708, 123269348, 136595764, 142367416, 246538696, 273191528, 284734832, 493077392, 546383056, 1263510817, 2527021634, 5054043268, 10108086536, 20216173072]

約数ペア:

[(1, 20216173072), (2, 10108086536), (4, 5054043268), (8, 2527021634), (16, 1263510817), (37, 546383056), (41, 493077392), (71, 284734832), (74, 273191528), (82, 246538696), (142, 142367416), (148, 136595764), (164, 123269348), (284, 71183708), (296, 68297882), (328, 61634674), (568, 35591854), (592, 34148941), (656, 30817337), (1136, 17795927), (1517, 13326416), (2627, 7695536), (2911, 6944752), (3034, 6663208), (5254, 3847768), (5822, 3472376), (6068, 3331604), (10508, 1923884), (11644, 1736188), (11731, 1723312), (12136, 1665802), (21016, 961942), (23288, 868094), (23462, 861656), (24272, 832901), (42032, 480971), (46576, 434047), (46924, 430828), (93848, 215414), (107707, 187696)]