20271429

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 11402811

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2819, 7191, 8457, 25371, 47923, 132493, 143769, 397479, 431307, 1192437, 2252381, 6757143, 20271429]

約数ペア:

[(1, 20271429), (3, 6757143), (9, 2252381), (17, 1192437), (47, 431307), (51, 397479), (141, 143769), (153, 132493), (423, 47923), (799, 25371), (2397, 8457), (2819, 7191)]