20757649247

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{17389}}^1$

素因数の和:17543

約数の個数: 32

約数和(自身を含む): 23799536640

約数和(自身を除く): 3041887393

約数列:

[1, 17, 23, 43, 71, 391, 731, 989, 1207, 1633, 3053, 16813, 17389, 27761, 51901, 70219, 295613, 399947, 747727, 1193723, 1234619, 6799099, 12711359, 17197721, 20988523, 28396237, 53088617, 292361257, 482736029, 902506489, 1221038191, 20757649247]

約数ペア:

[(1, 20757649247), (17, 1221038191), (23, 902506489), (43, 482736029), (71, 292361257), (391, 53088617), (731, 28396237), (989, 20988523), (1207, 17197721), (1633, 12711359), (3053, 6799099), (16813, 1234619), (17389, 1193723), (27761, 747727), (51901, 399947), (70219, 295613)]