20494377

素因数分解:

$3^7\times {\mathrm{9371}}^1$

素因数の和:9392

約数の個数: 16

約数和(自身を含む): 30740160

約数和(自身を除く): 10245783

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 9371, 28113, 84339, 253017, 759051, 2277153, 6831459, 20494377]

約数ペア:

[(1, 20494377), (3, 6831459), (9, 2277153), (27, 759051), (81, 253017), (243, 84339), (729, 28113), (2187, 9371)]