20503604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10837}}^1$

素因数の和:10895

約数の個数: 24

約数和(自身を含む): 40057248

約数和(自身を除く): 19553644

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10837, 21674, 43348, 119207, 238414, 465991, 476828, 931982, 1863964, 5125901, 10251802, 20503604]

約数ペア:

[(1, 20503604), (2, 10251802), (4, 5125901), (11, 1863964), (22, 931982), (43, 476828), (44, 465991), (86, 238414), (172, 119207), (473, 43348), (946, 21674), (1892, 10837)]