20651239

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1710

約数の個数: 16

約数和(自身を含む): 24791040

約数和(自身を除く): 4139801

約数列:

[1, 7, 31, 59, 217, 413, 1613, 1829, 11291, 12803, 50003, 95167, 350021, 666169, 2950177, 20651239]

約数ペア:

[(1, 20651239), (7, 2950177), (31, 666169), (59, 350021), (217, 95167), (413, 50003), (1613, 12803), (1829, 11291)]