20104865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8501}}^1$

素因数の和:8560

約数の個数: 16

約数和(自身を含む): 26934336

約数和(自身を除く): 6829471

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8501, 42505, 93511, 365543, 467555, 1827715, 4020973, 20104865]

約数ペア:

[(1, 20104865), (5, 4020973), (11, 1827715), (43, 467555), (55, 365543), (215, 93511), (473, 42505), (2365, 8501)]