20686755

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33637}}^1$

素因数の和:33686

約数の個数: 16

約数和(自身を含む): 33907104

約数和(自身を除く): 13220349

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33637, 100911, 168185, 504555, 1379117, 4137351, 6895585, 20686755]

約数ペア:

[(1, 20686755), (3, 6895585), (5, 4137351), (15, 1379117), (41, 504555), (123, 168185), (205, 100911), (615, 33637)]