20079951

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2687}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 27869184

約数和(自身を除く): 7789233

約数列:

[1, 3, 47, 53, 141, 159, 2491, 2687, 7473, 8061, 126289, 142411, 378867, 427233, 6693317, 20079951]

約数ペア:

[(1, 20079951), (3, 6693317), (47, 427233), (53, 378867), (141, 142411), (159, 126289), (2491, 8061), (2687, 7473)]