20358548

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1493}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 40828032

約数和(自身を除く): 20469484

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1493, 1948, 2986, 3409, 5972, 6818, 10451, 13636, 20902, 41804, 727091, 1454182, 2908364, 5089637, 10179274, 20358548]

約数ペア:

[(1, 20358548), (2, 10179274), (4, 5089637), (7, 2908364), (14, 1454182), (28, 727091), (487, 41804), (974, 20902), (1493, 13636), (1948, 10451), (2986, 6818), (3409, 5972)]