20160118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12553}}^1$

素因数の和:12639

約数の個数: 16

約数和(自身を含む): 33443856

約数和(自身を除く): 13283738

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12553, 25106, 138083, 276166, 916369, 1832738, 10080059, 20160118]

約数ペア:

[(1, 20160118), (2, 10080059), (11, 1832738), (22, 916369), (73, 276166), (146, 138083), (803, 25106), (1606, 12553)]