20300245

素因数分解:

$5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1109}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 27918720

約数和(自身を除く): 7618475

約数列:

[1, 5, 7, 35, 523, 1109, 2615, 3661, 5545, 7763, 18305, 38815, 580007, 2900035, 4060049, 20300245]

約数ペア:

[(1, 20300245), (5, 4060049), (7, 2900035), (35, 580007), (523, 38815), (1109, 18305), (2615, 7763), (3661, 5545)]