20746593

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2593}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 34531328

約数和(自身を除く): 13784735

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2593, 2667, 7779, 8001, 18151, 23337, 54453, 163359, 329311, 987933, 2305177, 2963799, 6915531, 20746593]

約数ペア:

[(1, 20746593), (3, 6915531), (7, 2963799), (9, 2305177), (21, 987933), (63, 329311), (127, 163359), (381, 54453), (889, 23337), (1143, 18151), (2593, 8001), (2667, 7779)]