20001415

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6421}}^1$

素因数の和:6522

約数の個数: 16

約数和(自身を含む): 27743040

約数和(自身を除く): 7741625

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6421, 32105, 44947, 224735, 571469, 2857345, 4000283, 20001415]

約数ペア:

[(1, 20001415), (5, 4000283), (7, 2857345), (35, 571469), (89, 224735), (445, 44947), (623, 32105), (3115, 6421)]