20646494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{991}}^1$

素因数の和:1951

約数の個数: 16

約数和(自身を含む): 33854976

約数和(自身を除く): 13208482

約数列:

[1, 2, 11, 22, 947, 991, 1894, 1982, 10417, 10901, 20834, 21802, 938477, 1876954, 10323247, 20646494]

約数ペア:

[(1, 20646494), (2, 10323247), (11, 1876954), (22, 938477), (947, 21802), (991, 20834), (1894, 10901), (1982, 10417)]