20808997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 23856768

約数和(自身を除く): 3047771

約数列:

[1, 11, 23, 233, 253, 353, 2563, 3883, 5359, 8119, 58949, 82249, 89309, 904739, 1891727, 20808997]

約数ペア:

[(1, 20808997), (11, 1891727), (23, 904739), (233, 89309), (253, 82249), (353, 58949), (2563, 8119), (3883, 5359)]