20780791

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 22407840

約数和(自身を除く): 1627049

約数列:

[1, 29, 37, 107, 181, 1073, 3103, 3959, 5249, 6697, 19367, 114811, 194213, 561643, 716579, 20780791]

約数ペア:

[(1, 20780791), (29, 716579), (37, 561643), (107, 194213), (181, 114811), (1073, 19367), (3103, 6697), (3959, 5249)]