20405792176

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16563143}}^1$

素因数の和:16563169

約数の個数: 40

約数和(自身を含む): 49291916544

約数和(自身を除く): 28886124368

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16563143, 33126286, 66252572, 115942001, 132505144, 182194573, 231884002, 265010288, 364389146, 463768004, 728778292, 927536008, 1275362011, 1457556584, 1855072016, 2550724022, 2915113168, 5101448044, 10202896088, 20405792176]

約数ペア:

[(1, 20405792176), (2, 10202896088), (4, 5101448044), (7, 2915113168), (8, 2550724022), (11, 1855072016), (14, 1457556584), (16, 1275362011), (22, 927536008), (28, 728778292), (44, 463768004), (56, 364389146), (77, 265010288), (88, 231884002), (112, 182194573), (154, 132505144), (176, 115942001), (308, 66252572), (616, 33126286), (1232, 16563143)]