20354048897

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{779341}}^1$

素因数の和:779409

約数の個数: 24

約数和(自身を含む): 26120426472

約数和(自身を除く): 5766377575

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 3731, 26117, 779341, 5455387, 10131433, 31952981, 38187709, 70920031, 223670867, 415388753, 496440217, 1565696069, 2907721271, 20354048897]

約数ペア:

[(1, 20354048897), (7, 2907721271), (13, 1565696069), (41, 496440217), (49, 415388753), (91, 223670867), (287, 70920031), (533, 38187709), (637, 31952981), (2009, 10131433), (3731, 5455387), (26117, 779341)]