20835765

素因数分解:

$3^3\times 5^1\times {\mathrm{154339}}^1$

素因数の和:154353

約数の個数: 16

約数和(自身を含む): 37041600

約数和(自身を除く): 16205835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 154339, 463017, 771695, 1389051, 2315085, 4167153, 6945255, 20835765]

約数ペア:

[(1, 20835765), (3, 6945255), (5, 4167153), (9, 2315085), (15, 1389051), (27, 771695), (45, 463017), (135, 154339)]