20565545139

素因数分解:

$3^5\times {\mathrm{1289}}^1\times {\mathrm{65657}}^1$

素因数の和:66961

約数の個数: 24

約数和(自身を含む): 30830370480

約数和(自身を除く): 10264825341

約数列:

[1, 3, 9, 27, 81, 243, 1289, 3867, 11601, 34803, 65657, 104409, 196971, 313227, 590913, 1772739, 5318217, 15954651, 84631873, 253895619, 761686857, 2285060571, 6855181713, 20565545139]

約数ペア:

[(1, 20565545139), (3, 6855181713), (9, 2285060571), (27, 761686857), (81, 253895619), (243, 84631873), (1289, 15954651), (3867, 5318217), (11601, 1772739), (34803, 590913), (65657, 313227), (104409, 196971)]