20538784

素因数分解:

$2^5\times 7^1\times {\mathrm{91691}}^1$

素因数の和:91708

約数の個数: 24

約数和(自身を含む): 46212768

約数和(自身を除く): 25673984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91691, 183382, 366764, 641837, 733528, 1283674, 1467056, 2567348, 2934112, 5134696, 10269392, 20538784]

約数ペア:

[(1, 20538784), (2, 10269392), (4, 5134696), (7, 2934112), (8, 2567348), (14, 1467056), (16, 1283674), (28, 733528), (32, 641837), (56, 366764), (112, 183382), (224, 91691)]