16613780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7621}}^1$

素因数の和:7739

約数の個数: 24

約数和(自身を含む): 35213640

約数和(自身を除く): 18599860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7621, 15242, 30484, 38105, 76210, 152420, 830689, 1661378, 3322756, 4153445, 8306890, 16613780]

約数ペア:

[(1, 16613780), (2, 8306890), (4, 4153445), (5, 3322756), (10, 1661378), (20, 830689), (109, 152420), (218, 76210), (436, 38105), (545, 30484), (1090, 15242), (2180, 7621)]