20976604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11087}}^1$

素因数の和:11145

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 20004644

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11087, 22174, 44348, 121957, 243914, 476741, 487828, 953482, 1906964, 5244151, 10488302, 20976604]

約数ペア:

[(1, 20976604), (2, 10488302), (4, 5244151), (11, 1906964), (22, 953482), (43, 487828), (44, 476741), (86, 243914), (172, 121957), (473, 44348), (946, 22174), (1892, 11087)]