20708727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27947}}^1$

素因数の和:27982

約数の個数: 16

約数和(自身を含む): 31301760

約数和(自身を除く): 10593033

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27947, 83841, 363311, 530993, 1089933, 1592979, 6902909, 20708727]

約数ペア:

[(1, 20708727), (3, 6902909), (13, 1592979), (19, 1089933), (39, 530993), (57, 363311), (247, 83841), (741, 27947)]