20541549

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26437}}^1$

素因数の和:26484

約数の個数: 16

約数和(自身を含む): 32148608

約数和(自身を除く): 11607059

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26437, 79311, 185059, 555177, 978169, 2934507, 6847183, 20541549]

約数ペア:

[(1, 20541549), (3, 6847183), (7, 2934507), (21, 978169), (37, 555177), (111, 185059), (259, 79311), (777, 26437)]