20711767

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 1907753

約数列:

[1, 19, 43, 101, 251, 817, 1919, 4343, 4769, 10793, 25351, 82517, 205067, 481669, 1090093, 20711767]

約数ペア:

[(1, 20711767), (19, 1090093), (43, 481669), (101, 205067), (251, 82517), (817, 25351), (1919, 10793), (4343, 4769)]