20199621374

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9739451}}^1$

素因数の和:9739531

約数の個数: 16

約数和(自身を含む): 32607685296

約数和(自身を除く): 12408063922

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9739451, 19478902, 165570667, 331141334, 594106511, 1188213022, 10099810687, 20199621374]

約数ペア:

[(1, 20199621374), (2, 10099810687), (17, 1188213022), (34, 594106511), (61, 331141334), (122, 165570667), (1037, 19478902), (2074, 9739451)]