20802669

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 28621824

約数和(自身を除く): 7819155

約数列:

[1, 3, 43, 129, 131, 393, 1231, 3693, 5633, 16899, 52933, 158799, 161261, 483783, 6934223, 20802669]

約数ペア:

[(1, 20802669), (3, 6934223), (43, 483783), (129, 161261), (131, 158799), (393, 52933), (1231, 16899), (3693, 5633)]