20674647

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3067}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 34459776

約数和(自身を除く): 13785129

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 3067, 6741, 9201, 21469, 27603, 64407, 193221, 328169, 984507, 2297183, 2953521, 6891549, 20674647]

約数ペア:

[(1, 20674647), (3, 6891549), (7, 2953521), (9, 2297183), (21, 984507), (63, 328169), (107, 193221), (321, 64407), (749, 27603), (963, 21469), (2247, 9201), (3067, 6741)]