20531316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131611}}^1$

素因数の和:131631

約数の個数: 24

約数和(自身を含む): 51591904

約数和(自身を除く): 31060588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131611, 263222, 394833, 526444, 789666, 1579332, 1710943, 3421886, 5132829, 6843772, 10265658, 20531316]

約数ペア:

[(1, 20531316), (2, 10265658), (3, 6843772), (4, 5132829), (6, 3421886), (12, 1710943), (13, 1579332), (26, 789666), (39, 526444), (52, 394833), (78, 263222), (156, 131611)]