20700855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65717}}^1$

素因数の和:65735

約数の個数: 24

約数和(自身を含む): 41008032

約数和(自身を除く): 20307177

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65717, 197151, 328585, 460019, 591453, 985755, 1380057, 2300095, 2957265, 4140171, 6900285, 20700855]

約数ペア:

[(1, 20700855), (3, 6900285), (5, 4140171), (7, 2957265), (9, 2300095), (15, 1380057), (21, 985755), (35, 591453), (45, 460019), (63, 328585), (105, 197151), (315, 65717)]