20853747

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45433}}^1$

素因数の和:45459

約数の個数: 16

約数和(自身を含む): 32712480

約数和(自身を除く): 11858733

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45433, 136299, 408897, 772361, 1226691, 2317083, 6951249, 20853747]

約数ペア:

[(1, 20853747), (3, 6951249), (9, 2317083), (17, 1226691), (27, 772361), (51, 408897), (153, 136299), (459, 45433)]