20641791

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 29286144

約数和(自身を除く): 8644353

約数列:

[1, 3, 17, 51, 227, 681, 1783, 3859, 5349, 11577, 30311, 90933, 404741, 1214223, 6880597, 20641791]

約数ペア:

[(1, 20641791), (3, 6880597), (17, 1214223), (51, 404741), (227, 90933), (681, 30311), (1783, 11577), (3859, 5349)]