20194391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 24651264

約数和(自身を除く): 4456873

約数列:

[1, 7, 23, 43, 161, 301, 989, 2917, 6923, 20419, 67091, 125431, 469637, 878017, 2884913, 20194391]

約数ペア:

[(1, 20194391), (7, 2884913), (23, 878017), (43, 469637), (161, 125431), (301, 67091), (989, 20419), (2917, 6923)]