20581271

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2228329

約数列:

[1, 17, 29, 109, 383, 493, 1853, 3161, 6511, 11107, 41747, 53737, 188819, 709699, 1210663, 20581271]

約数ペア:

[(1, 20581271), (17, 1210663), (29, 709699), (109, 188819), (383, 53737), (493, 41747), (1853, 11107), (3161, 6511)]