20409051

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4801}}^1$

素因数の和:4926

約数の個数: 16

約数和(自身を含む): 29580320

約数和(自身を除く): 9171269

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4801, 14403, 62413, 187239, 523309, 1569927, 6803017, 20409051]

約数ペア:

[(1, 20409051), (3, 6803017), (13, 1569927), (39, 523309), (109, 187239), (327, 62413), (1417, 14403), (4251, 4801)]