20539551

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9739}}^1$

素因数の和:9798

約数の個数: 16

約数和(自身を含む): 29609600

約数和(自身を除く): 9070049

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9739, 29217, 185041, 360343, 555123, 1081029, 6846517, 20539551]

約数ペア:

[(1, 20539551), (3, 6846517), (19, 1081029), (37, 555123), (57, 360343), (111, 185041), (703, 29217), (2109, 9739)]