20120939993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{243533}}^1$

素因数の和:243617

約数の個数: 32

約数和(自身を含む): 26652360960

約数和(自身を除く): 6531420967

約数列:

[1, 7, 11, 29, 37, 77, 203, 259, 319, 407, 1073, 2233, 2849, 7511, 11803, 82621, 243533, 1704731, 2678863, 7062457, 9010721, 18752041, 49437199, 63075047, 77687027, 99117931, 261310909, 543809189, 693825517, 1829176363, 2874419999, 20120939993]

約数ペア:

[(1, 20120939993), (7, 2874419999), (11, 1829176363), (29, 693825517), (37, 543809189), (77, 261310909), (203, 99117931), (259, 77687027), (319, 63075047), (407, 49437199), (1073, 18752041), (2233, 9010721), (2849, 7062457), (7511, 2678863), (11803, 1704731), (82621, 243533)]