20709073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 26248320

約数和(自身を除く): 5539247

約数列:

[1, 7, 11, 61, 77, 427, 671, 4409, 4697, 30863, 48499, 268949, 339493, 1882643, 2958439, 20709073]

約数ペア:

[(1, 20709073), (7, 2958439), (11, 1882643), (61, 339493), (77, 268949), (427, 48499), (671, 30863), (4409, 4697)]