20721723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33049}}^1$

素因数の和:33082

約数の個数: 16

約数和(自身を含む): 31728000

約数和(自身を除く): 11006277

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33049, 99147, 363539, 627931, 1090617, 1883793, 6907241, 20721723]

約数ペア:

[(1, 20721723), (3, 6907241), (11, 1883793), (19, 1090617), (33, 627931), (57, 363539), (209, 99147), (627, 33049)]