20511324

素因数分解:

$2^2\times 3^2\times {\mathrm{569759}}^1$

素因数の和:569769

約数の個数: 18

約数和(自身を含む): 51848160

約数和(自身を除く): 31336836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569759, 1139518, 1709277, 2279036, 3418554, 5127831, 6837108, 10255662, 20511324]

約数ペア:

[(1, 20511324), (2, 10255662), (3, 6837108), (4, 5127831), (6, 3418554), (9, 2279036), (12, 1709277), (18, 1139518), (36, 569759)]