20586393

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6869}}^1$

素因数の和:6918

約数の個数: 20

約数和(自身を含む): 31588260

約数和(自身を除く): 11001867

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6869, 20607, 61821, 185463, 254153, 556389, 762459, 2287377, 6862131, 20586393]

約数ペア:

[(1, 20586393), (3, 6862131), (9, 2287377), (27, 762459), (37, 556389), (81, 254153), (111, 185463), (333, 61821), (999, 20607), (2997, 6869)]