20121030717

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3559}}^1$

素因数の和:3714

約数の個数: 48

約数和(自身を含む): 29015936640

約数和(自身を除く): 8894905923

約数列:

[1, 3, 31, 37, 53, 93, 111, 159, 961, 1147, 1643, 1961, 2883, 3441, 3559, 4929, 5883, 10677, 35557, 50933, 60791, 106671, 110329, 131683, 152799, 182373, 188627, 330987, 395049, 565881, 1884521, 3420199, 4082173, 5653563, 5847437, 6979199, 10260597, 12246519, 17542311, 20937597, 126547363, 181270547, 216355169, 379642089, 543811641, 649065507, 6707010239, 20121030717]

約数ペア:

[(1, 20121030717), (3, 6707010239), (31, 649065507), (37, 543811641), (53, 379642089), (93, 216355169), (111, 181270547), (159, 126547363), (961, 20937597), (1147, 17542311), (1643, 12246519), (1961, 10260597), (2883, 6979199), (3441, 5847437), (3559, 5653563), (4929, 4082173), (5883, 3420199), (10677, 1884521), (35557, 565881), (50933, 395049), (60791, 330987), (106671, 188627), (110329, 182373), (131683, 152799)]