20806687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 23444640

約数和(自身を除く): 2637953

約数列:

[1, 11, 53, 89, 401, 583, 979, 4411, 4717, 21253, 35689, 51887, 233783, 392579, 1891517, 20806687]

約数ペア:

[(1, 20806687), (11, 1891517), (53, 392579), (89, 233783), (401, 51887), (583, 35689), (979, 21253), (4411, 4717)]