20618943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4871}}^1$

素因数の和:4974

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 8846913

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4871, 14613, 82807, 248421, 404293, 1212879, 6872981, 20618943]

約数ペア:

[(1, 20618943), (3, 6872981), (17, 1212879), (51, 404293), (83, 248421), (249, 82807), (1411, 14613), (4233, 4871)]