20682351

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{7159}}^1$

素因数の和:7275

約数の個数: 16

約数和(自身を含む): 30931200

約数和(自身を除く): 10248849

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 7159, 21477, 64431, 193293, 766013, 2298039, 6894117, 20682351]

約数ペア:

[(1, 20682351), (3, 6894117), (9, 2298039), (27, 766013), (107, 193293), (321, 64431), (963, 21477), (2889, 7159)]