20519643

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2179}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 28392320

約数和(自身を除く): 7872677

約数列:

[1, 3, 43, 73, 129, 219, 2179, 3139, 6537, 9417, 93697, 159067, 281091, 477201, 6839881, 20519643]

約数ペア:

[(1, 20519643), (3, 6839881), (43, 477201), (73, 281091), (129, 159067), (219, 93697), (2179, 9417), (3139, 6537)]