20289017

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 24729600

約数和(自身を除く): 4440583

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1931, 10507, 13517, 36689, 152549, 256823, 1067843, 2898431, 20289017]

約数ペア:

[(1, 20289017), (7, 2898431), (19, 1067843), (79, 256823), (133, 152549), (553, 36689), (1501, 13517), (1931, 10507)]