20715129

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45131}}^1$

素因数の和:45157

約数の個数: 16

約数和(自身を含む): 32495040

約数和(自身を除く): 11779911

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45131, 135393, 406179, 767227, 1218537, 2301681, 6905043, 20715129]

約数ペア:

[(1, 20715129), (3, 6905043), (9, 2301681), (17, 1218537), (27, 767227), (51, 406179), (153, 135393), (459, 45131)]