20364555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79861}}^1$

素因数の和:79886

約数の個数: 16

約数和(自身を含む): 34500384

約数和(自身を除く): 14135829

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79861, 239583, 399305, 1197915, 1357637, 4072911, 6788185, 20364555]

約数ペア:

[(1, 20364555), (3, 6788185), (5, 4072911), (15, 1357637), (17, 1197915), (51, 399305), (85, 239583), (255, 79861)]