20648693

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 23705136

約数和(自身を除く): 3056443

約数列:

[1, 13, 17, 221, 233, 401, 3029, 3961, 5213, 6817, 51493, 88621, 93433, 1214629, 1588361, 20648693]

約数ペア:

[(1, 20648693), (13, 1588361), (17, 1214629), (221, 93433), (233, 88621), (401, 51493), (3029, 6817), (3961, 5213)]