20299328

素因数分解:

$2^6\times 7^2\times {\mathrm{6473}}^1$

素因数の和:6499

約数の個数: 42

約数和(自身を含む): 46865286

約数和(自身を除く): 26565958

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6473, 12946, 25892, 45311, 51784, 90622, 103568, 181244, 207136, 317177, 362488, 414272, 634354, 724976, 1268708, 1449952, 2537416, 2899904, 5074832, 10149664, 20299328]

約数ペア:

[(1, 20299328), (2, 10149664), (4, 5074832), (7, 2899904), (8, 2537416), (14, 1449952), (16, 1268708), (28, 724976), (32, 634354), (49, 414272), (56, 362488), (64, 317177), (98, 207136), (112, 181244), (196, 103568), (224, 90622), (392, 51784), (448, 45311), (784, 25892), (1568, 12946), (3136, 6473)]