20951242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 36251712

約数和(自身を除く): 15300470

約数列:

[1, 2, 13, 17, 26, 34, 107, 214, 221, 442, 443, 886, 1391, 1819, 2782, 3638, 5759, 7531, 11518, 15062, 23647, 47294, 47401, 94802, 97903, 195806, 616213, 805817, 1232426, 1611634, 10475621, 20951242]

約数ペア:

[(1, 20951242), (2, 10475621), (13, 1611634), (17, 1232426), (26, 805817), (34, 616213), (107, 195806), (214, 97903), (221, 94802), (442, 47401), (443, 47294), (886, 23647), (1391, 15062), (1819, 11518), (2782, 7531), (3638, 5759)]