20051885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18481}}^1$

素因数の和:18524

約数の個数: 16

約数和(自身を含む): 28388352

約数和(自身を除く): 8336467

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18481, 92405, 129367, 572911, 646835, 2864555, 4010377, 20051885]

約数ペア:

[(1, 20051885), (5, 4010377), (7, 2864555), (31, 646835), (35, 572911), (155, 129367), (217, 92405), (1085, 18481)]