20857298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{811}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 18430510

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 167, 334, 811, 1169, 1622, 1837, 2338, 3674, 5677, 8921, 11354, 12859, 17842, 25718, 62447, 124894, 135437, 270874, 948059, 1489807, 1896118, 2979614, 10428649, 20857298]

約数ペア:

[(1, 20857298), (2, 10428649), (7, 2979614), (11, 1896118), (14, 1489807), (22, 948059), (77, 270874), (154, 135437), (167, 124894), (334, 62447), (811, 25718), (1169, 17842), (1622, 12859), (1837, 11354), (2338, 8921), (3674, 5677)]