20548554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263443}}^1$

素因数の和:263461

約数の個数: 16

約数和(自身を含む): 44258592

約数和(自身を除く): 23710038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263443, 526886, 790329, 1580658, 3424759, 6849518, 10274277, 20548554]

約数ペア:

[(1, 20548554), (2, 10274277), (3, 6849518), (6, 3424759), (13, 1580658), (26, 790329), (39, 526886), (78, 263443)]