20764415

素因数分解:

$5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1039}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 28554240

約数和(自身を除く): 7789825

約数列:

[1, 5, 7, 35, 571, 1039, 2855, 3997, 5195, 7273, 19985, 36365, 593269, 2966345, 4152883, 20764415]

約数ペア:

[(1, 20764415), (5, 4152883), (7, 2966345), (35, 593269), (571, 36365), (1039, 19985), (2855, 7273), (3997, 5195)]