20328243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30661}}^1$

素因数の和:30694

約数の個数: 16

約数和(自身を含む): 30907296

約数和(自身を除く): 10579053

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30661, 91983, 398593, 521237, 1195779, 1563711, 6776081, 20328243]

約数ペア:

[(1, 20328243), (3, 6776081), (13, 1563711), (17, 1195779), (39, 521237), (51, 398593), (221, 91983), (663, 30661)]