20517365

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3083}}^1$

素因数の和:3121

約数の個数: 16

約数和(自身を含む): 27089856

約数和(自身を除く): 6572491

約数列:

[1, 5, 11, 55, 121, 605, 1331, 3083, 6655, 15415, 33913, 169565, 373043, 1865215, 4103473, 20517365]

約数ペア:

[(1, 20517365), (5, 4103473), (11, 1865215), (55, 373043), (121, 169565), (605, 33913), (1331, 15415), (3083, 6655)]