20534391

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3209}}^1$

素因数の和:3300

約数の個数: 20

約数和(自身を含む): 31072800

約数和(自身を除く): 10538409

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3209, 6399, 9627, 28881, 86643, 253511, 259929, 760533, 2281599, 6844797, 20534391]

約数ペア:

[(1, 20534391), (3, 6844797), (9, 2281599), (27, 760533), (79, 259929), (81, 253511), (237, 86643), (711, 28881), (2133, 9627), (3209, 6399)]