20545177581

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9632057}}^1$

素因数の和:9632145

約数の個数: 16

約数和(自身を含む): 30822585600

約数和(自身を除く): 10277408019

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9632057, 28896171, 86688513, 260065539, 760932503, 2282797509, 6848392527, 20545177581]

約数ペア:

[(1, 20545177581), (3, 6848392527), (9, 2282797509), (27, 760932503), (79, 260065539), (237, 86688513), (711, 28896171), (2133, 9632057)]