20561068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{467297}}^1$

素因数の和:467312

約数の個数: 12

約数和(自身を含む): 39253032

約数和(自身を除く): 18691964

約数列:

[1, 2, 4, 11, 22, 44, 467297, 934594, 1869188, 5140267, 10280534, 20561068]

約数ペア:

[(1, 20561068), (2, 10280534), (4, 5140267), (11, 1869188), (22, 934594), (44, 467297)]