20862688

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8467}}^1$

素因数の和:8495

約数の個数: 48

約数和(自身を含む): 51214464

約数和(自身を除く): 30351776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8467, 16934, 33868, 59269, 67736, 93137, 118538, 135472, 186274, 237076, 270944, 372548, 474152, 651959, 745096, 948304, 1303918, 1490192, 1896608, 2607836, 2980384, 5215672, 10431344, 20862688]

約数ペア:

[(1, 20862688), (2, 10431344), (4, 5215672), (7, 2980384), (8, 2607836), (11, 1896608), (14, 1490192), (16, 1303918), (22, 948304), (28, 745096), (32, 651959), (44, 474152), (56, 372548), (77, 270944), (88, 237076), (112, 186274), (154, 135472), (176, 118538), (224, 93137), (308, 67736), (352, 59269), (616, 33868), (1232, 16934), (2464, 8467)]