20762291

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 23493120

約数和(自身を除く): 2730829

約数列:

[1, 11, 37, 139, 367, 407, 1529, 4037, 5143, 13579, 51013, 56573, 149369, 561143, 1887481, 20762291]

約数ペア:

[(1, 20762291), (11, 1887481), (37, 561143), (139, 149369), (367, 56573), (407, 51013), (1529, 13579), (4037, 5143)]