20400391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 3376889

約数列:

[1, 11, 17, 127, 187, 859, 1397, 2159, 9449, 14603, 23749, 109093, 160633, 1200023, 1854581, 20400391]

約数ペア:

[(1, 20400391), (11, 1854581), (17, 1200023), (127, 160633), (187, 109093), (859, 23749), (1397, 14603), (2159, 9449)]