20113397997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87070987}}^1$

素因数の和:87071008

約数の個数: 16

約数和(自身を含む): 33435259392

約数和(自身を除く): 13321861395

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87070987, 261212961, 609496909, 957780857, 1828490727, 2873342571, 6704465999, 20113397997]

約数ペア:

[(1, 20113397997), (3, 6704465999), (7, 2873342571), (11, 1828490727), (21, 957780857), (33, 609496909), (77, 261212961), (231, 87070987)]