20215767

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47123}}^1$

素因数の和:47150

約数の個数: 16

約数和(自身を含む): 31667328

約数和(自身を除く): 11451561

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47123, 141369, 518353, 612599, 1555059, 1837797, 6738589, 20215767]

約数ペア:

[(1, 20215767), (3, 6738589), (11, 1837797), (13, 1555059), (33, 612599), (39, 518353), (143, 141369), (429, 47123)]