20084247

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2423}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 29863680

約数和(自身を除く): 9779433

約数列:

[1, 3, 9, 27, 307, 921, 2423, 2763, 7269, 8289, 21807, 65421, 743861, 2231583, 6694749, 20084247]

約数ペア:

[(1, 20084247), (3, 6694749), (9, 2231583), (27, 743861), (307, 65421), (921, 21807), (2423, 8289), (2763, 7269)]