20416462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2269}}^1$

素因数の和:2691

約数の個数: 16

約数和(自身を含む): 33505200

約数和(自身を除く): 13088738

約数列:

[1, 2, 11, 22, 409, 818, 2269, 4499, 4538, 8998, 24959, 49918, 928021, 1856042, 10208231, 20416462]

約数ペア:

[(1, 20416462), (2, 10208231), (11, 1856042), (22, 928021), (409, 49918), (818, 24959), (2269, 8998), (4499, 4538)]