20120149511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{290657}}^1$

素因数の和:290735

約数の個数: 32

約数和(自身を含む): 26787041280

約数和(自身を除く): 6666891769

約数列:

[1, 7, 11, 29, 31, 77, 203, 217, 319, 341, 899, 2233, 2387, 6293, 9889, 69223, 290657, 2034599, 3197227, 8429053, 9010367, 22380589, 59003371, 63072569, 92719583, 99114037, 261300643, 649037081, 693798259, 1829104501, 2874307073, 20120149511]

約数ペア:

[(1, 20120149511), (7, 2874307073), (11, 1829104501), (29, 693798259), (31, 649037081), (77, 261300643), (203, 99114037), (217, 92719583), (319, 63072569), (341, 59003371), (899, 22380589), (2233, 9010367), (2387, 8429053), (6293, 3197227), (9889, 2034599), (69223, 290657)]