20766642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266239}}^1$

素因数の和:266257

約数の個数: 16

約数和(自身を含む): 44728320

約数和(自身を除く): 23961678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266239, 532478, 798717, 1597434, 3461107, 6922214, 10383321, 20766642]

約数ペア:

[(1, 20766642), (2, 10383321), (3, 6922214), (6, 3461107), (13, 1597434), (26, 798717), (39, 532478), (78, 266239)]