20171091052

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3980089}}^1$

素因数の和:3980281

約数の個数: 24

約数和(自身を含む): 40565077280

約数和(自身を除く): 20393986228

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 3980089, 7960178, 15920356, 27860623, 55721246, 111442492, 720396109, 1440792218, 2881584436, 5042772763, 10085545526, 20171091052]

約数ペア:

[(1, 20171091052), (2, 10085545526), (4, 5042772763), (7, 2881584436), (14, 1440792218), (28, 720396109), (181, 111442492), (362, 55721246), (724, 27860623), (1267, 15920356), (2534, 7960178), (5068, 3980089)]