20137990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1471}}^1$

素因数の和:1552

約数の個数: 24

約数和(自身を含む): 37279872

約数和(自身を除く): 17141882

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 1471, 2738, 2942, 6845, 7355, 13690, 14710, 54427, 108854, 272135, 544270, 2013799, 4027598, 10068995, 20137990]

約数ペア:

[(1, 20137990), (2, 10068995), (5, 4027598), (10, 2013799), (37, 544270), (74, 272135), (185, 108854), (370, 54427), (1369, 14710), (1471, 13690), (2738, 7355), (2942, 6845)]