20889255

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2207}}^1$

素因数の和:2846

約数の個数: 16

約数和(自身を含む): 33490944

約数和(自身を除く): 12601689

約数列:

[1, 3, 5, 15, 631, 1893, 2207, 3155, 6621, 9465, 11035, 33105, 1392617, 4177851, 6963085, 20889255]

約数ペア:

[(1, 20889255), (3, 6963085), (5, 4177851), (15, 1392617), (631, 33105), (1893, 11035), (2207, 9465), (3155, 6621)]