20392352

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22064608

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 103, 184, 206, 269, 368, 412, 538, 736, 824, 1076, 1648, 2152, 2369, 3296, 4304, 4738, 6187, 8608, 9476, 12374, 18952, 24748, 27707, 37904, 49496, 55414, 75808, 98992, 110828, 197984, 221656, 443312, 637261, 886624, 1274522, 2549044, 5098088, 10196176, 20392352]

約数ペア:

[(1, 20392352), (2, 10196176), (4, 5098088), (8, 2549044), (16, 1274522), (23, 886624), (32, 637261), (46, 443312), (92, 221656), (103, 197984), (184, 110828), (206, 98992), (269, 75808), (368, 55414), (412, 49496), (538, 37904), (736, 27707), (824, 24748), (1076, 18952), (1648, 12374), (2152, 9476), (2369, 8608), (3296, 6187), (4304, 4738)]