20122581

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 27593280

約数和(自身を除く): 7470699

約数列:

[1, 3, 43, 129, 389, 401, 1167, 1203, 16727, 17243, 50181, 51729, 155989, 467967, 6707527, 20122581]

約数ペア:

[(1, 20122581), (3, 6707527), (43, 467967), (129, 155989), (389, 51729), (401, 50181), (1167, 17243), (1203, 16727)]