20709621

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45119}}^1$

素因数の和:45145

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11776779

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45119, 135357, 406071, 767023, 1218213, 2301069, 6903207, 20709621]

約数ペア:

[(1, 20709621), (3, 6903207), (9, 2301069), (17, 1218213), (27, 767023), (51, 406071), (153, 135357), (459, 45119)]