20755521

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15073}}^1$

素因数の和:15102

約数の個数: 20

約数和(自身を含む): 32831172

約数和(自身を除く): 12075651

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15073, 45219, 135657, 256241, 406971, 768723, 1220913, 2306169, 6918507, 20755521]

約数ペア:

[(1, 20755521), (3, 6918507), (9, 2306169), (17, 1220913), (27, 768723), (51, 406971), (81, 256241), (153, 135657), (459, 45219), (1377, 15073)]