20693491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9887}}^1$

素因数の和:9930

約数の個数: 16

約数和(自身を含む): 26578944

約数和(自身を除く): 5885453

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9887, 69209, 128531, 227401, 899717, 1591807, 2956213, 20693491]

約数ペア:

[(1, 20693491), (7, 2956213), (13, 1591807), (23, 899717), (91, 227401), (161, 128531), (299, 69209), (2093, 9887)]