20692265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 6489175

約数列:

[1, 5, 11, 55, 439, 857, 2195, 4285, 4829, 9427, 24145, 47135, 376223, 1881115, 4138453, 20692265]

約数ペア:

[(1, 20692265), (5, 4138453), (11, 1881115), (55, 376223), (439, 47135), (857, 24145), (2195, 9427), (4285, 4829)]