20538324

素因数分解:

$2^2\times 3^2\times {\mathrm{570509}}^1$

素因数の和:570519

約数の個数: 18

約数和(自身を含む): 51916410

約数和(自身を除く): 31378086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570509, 1141018, 1711527, 2282036, 3423054, 5134581, 6846108, 10269162, 20538324]

約数ペア:

[(1, 20538324), (2, 10269162), (3, 6846108), (4, 5134581), (6, 3423054), (9, 2282036), (12, 1711527), (18, 1141018), (36, 570509)]