20009619

素因数分解:

$3^3\times 7^1\times {\mathrm{105871}}^1$

素因数の和:105887

約数の個数: 16

約数和(自身を含む): 33879040

約数和(自身を除く): 13869421

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 105871, 317613, 741097, 952839, 2223291, 2858517, 6669873, 20009619]

約数ペア:

[(1, 20009619), (3, 6669873), (7, 2858517), (9, 2223291), (21, 952839), (27, 741097), (63, 317613), (189, 105871)]