20201052669

素因数分解:

$3^1\times 7^2\times {\mathrm{137422127}}^1$

素因数の和:137422144

約数の個数: 12

約数和(自身を含む): 31332245184

約数和(自身を除く): 11131192515

約数列:

[1, 3, 7, 21, 49, 147, 137422127, 412266381, 961954889, 2885864667, 6733684223, 20201052669]

約数ペア:

[(1, 20201052669), (3, 6733684223), (7, 2885864667), (21, 961954889), (49, 412266381), (147, 137422127)]