20158545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122173}}^1$

素因数の和:122192

約数の個数: 16

約数和(自身を含む): 35186112

約数和(自身を除く): 15027567

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122173, 366519, 610865, 1343903, 1832595, 4031709, 6719515, 20158545]

約数ペア:

[(1, 20158545), (3, 6719515), (5, 4031709), (11, 1832595), (15, 1343903), (33, 610865), (55, 366519), (165, 122173)]