20790845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 26568000

約数和(自身を除く): 5777155

約数列:

[1, 5, 19, 89, 95, 445, 1691, 2459, 8455, 12295, 46721, 218851, 233605, 1094255, 4158169, 20790845]

約数ペア:

[(1, 20790845), (5, 4158169), (19, 1094255), (89, 233605), (95, 218851), (445, 46721), (1691, 12295), (2459, 8455)]