20790745885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3514919}}^1$

素因数の和:3514957

約数の個数: 24

約数和(自身を含む): 30875057280

約数和(自身を除く): 10084311395

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 3514919, 17574595, 24604433, 45693947, 123022165, 228469735, 319857629, 594021311, 1599288145, 2970106555, 4158149177, 20790745885]

約数ペア:

[(1, 20790745885), (5, 4158149177), (7, 2970106555), (13, 1599288145), (35, 594021311), (65, 319857629), (91, 228469735), (169, 123022165), (455, 45693947), (845, 24604433), (1183, 17574595), (5915, 3514919)]