20287866

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{82471}}^1$

素因数の和:82517

約数の個数: 16

約数和(自身を含む): 41565888

約数和(自身を除く): 21278022

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 82471, 164942, 247413, 494826, 3381311, 6762622, 10143933, 20287866]

約数ペア:

[(1, 20287866), (2, 10143933), (3, 6762622), (6, 3381311), (41, 494826), (82, 247413), (123, 164942), (246, 82471)]