20782143

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 34329600

約数和(自身を除く): 13547457

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2383, 2907, 7149, 8721, 21447, 40511, 45277, 64341, 121533, 135831, 364599, 407493, 769709, 1093797, 1222479, 2309127, 6927381, 20782143]

約数ペア:

[(1, 20782143), (3, 6927381), (9, 2309127), (17, 1222479), (19, 1093797), (27, 769709), (51, 407493), (57, 364599), (153, 135831), (171, 121533), (323, 64341), (459, 45277), (513, 40511), (969, 21447), (2383, 8721), (2907, 7149)]