20099891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1913}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 24499200

約数和(自身を除く): 4399309

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1913, 10507, 13391, 36347, 151127, 254429, 1057889, 2871413, 20099891]

約数ペア:

[(1, 20099891), (7, 2871413), (19, 1057889), (79, 254429), (133, 151127), (553, 36347), (1501, 13391), (1913, 10507)]