20806395

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37489}}^1$

素因数の和:37534

約数の個数: 16

約数和(自身を含む): 34190880

約数和(自身を除く): 13384485

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37489, 112467, 187445, 562335, 1387093, 4161279, 6935465, 20806395]

約数ペア:

[(1, 20806395), (3, 6935465), (5, 4161279), (15, 1387093), (37, 562335), (111, 187445), (185, 112467), (555, 37489)]