20489131

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1117}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 23665824

約数和(自身を除く): 3176693

約数列:

[1, 13, 17, 83, 221, 1079, 1117, 1411, 14521, 18343, 18989, 92711, 246857, 1205243, 1576087, 20489131]

約数ペア:

[(1, 20489131), (13, 1576087), (17, 1205243), (83, 246857), (221, 92711), (1079, 18989), (1117, 18343), (1411, 14521)]