20899683847

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{139589}}^1$

素因数の和:139962

約数の個数: 16

約数和(自身を含む): 24295360320

約数和(自身を除く): 3395676473

約数列:

[1, 7, 73, 293, 511, 2051, 21389, 139589, 149723, 977123, 10189997, 40899577, 71329979, 286297039, 2985669121, 20899683847]

約数ペア:

[(1, 20899683847), (7, 2985669121), (73, 286297039), (293, 71329979), (511, 40899577), (2051, 10189997), (21389, 977123), (139589, 149723)]