20420708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66301}}^1$

素因数の和:66323

約数の個数: 24

約数和(自身を含む): 44554944

約数和(自身を除く): 24134236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66301, 132602, 265204, 464107, 729311, 928214, 1458622, 1856428, 2917244, 5105177, 10210354, 20420708]

約数ペア:

[(1, 20420708), (2, 10210354), (4, 5105177), (7, 2917244), (11, 1856428), (14, 1458622), (22, 928214), (28, 729311), (44, 464107), (77, 265204), (154, 132602), (308, 66301)]