20005200278

素因数分解:

$2^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{4117991}}^1$

素因数の和:4118347

約数の個数: 16

約数和(自身を含む): 34393469184

約数和(自身を除く): 14388268906

約数列:

[1, 2, 7, 14, 347, 694, 2429, 4858, 4117991, 8235982, 28825937, 57651874, 1428942877, 2857885754, 10002600139, 20005200278]

約数ペア:

[(1, 20005200278), (2, 10002600139), (7, 2857885754), (14, 1428942877), (347, 57651874), (694, 28825937), (2429, 8235982), (4858, 4117991)]