20520669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22877}}^1$

素因数の和:22916

約数の個数: 16

約数和(自身を含む): 30748032

約数和(自身を除く): 10227363

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22877, 68631, 297401, 526171, 892203, 1578513, 6840223, 20520669]

約数ペア:

[(1, 20520669), (3, 6840223), (13, 1578513), (23, 892203), (39, 526171), (69, 297401), (299, 68631), (897, 22877)]