20561229

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58579}}^1$

素因数の和:58601

約数の個数: 16

約数和(自身を含む): 32804800

約数和(自身を除く): 12243571

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58579, 175737, 527211, 761527, 1581633, 2284581, 6853743, 20561229]

約数ペア:

[(1, 20561229), (3, 6853743), (9, 2284581), (13, 1581633), (27, 761527), (39, 527211), (117, 175737), (351, 58579)]