20565994004

素因数分解:

$2^2\times {\mathrm{503}}^1\times {\mathrm{1117}}^1\times {\mathrm{9151}}^1$

素因数の和:10775

約数の個数: 24

約数和(自身を含む): 36098270208

約数和(自身を除く): 15532276204

約数列:

[1, 2, 4, 503, 1006, 1117, 2012, 2234, 4468, 9151, 18302, 36604, 561851, 1123702, 2247404, 4602953, 9205906, 10221667, 18411812, 20443334, 40886668, 5141498501, 10282997002, 20565994004]

約数ペア:

[(1, 20565994004), (2, 10282997002), (4, 5141498501), (503, 40886668), (1006, 20443334), (1117, 18411812), (2012, 10221667), (2234, 9205906), (4468, 4602953), (9151, 2247404), (18302, 1123702), (36604, 561851)]