20618037

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6311}}^1$

素因数の和:6342

約数の個数: 24

約数和(自身を含む): 33579840

約数和(自身を除く): 12961803

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6311, 18933, 56799, 69421, 170397, 208263, 624789, 763631, 1874367, 2290893, 6872679, 20618037]

約数ペア:

[(1, 20618037), (3, 6872679), (9, 2290893), (11, 1874367), (27, 763631), (33, 624789), (99, 208263), (121, 170397), (297, 69421), (363, 56799), (1089, 18933), (3267, 6311)]