20717367543

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45135877}}^1$

素因数の和:45135903

約数の個数: 16

約数和(自身を含む): 32497832160

約数和(自身を除く): 11780464617

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45135877, 135407631, 406222893, 767309909, 1218668679, 2301929727, 6905789181, 20717367543]

約数ペア:

[(1, 20717367543), (3, 6905789181), (9, 2301929727), (17, 1218668679), (27, 767309909), (51, 406222893), (153, 135407631), (459, 45135877)]