20477503

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 22476960

約数和(自身を除く): 1999457

約数列:

[1, 17, 43, 109, 257, 731, 1853, 4369, 4687, 11051, 28013, 79679, 187867, 476221, 1204559, 20477503]

約数ペア:

[(1, 20477503), (17, 1204559), (43, 476221), (109, 187867), (257, 79679), (731, 28013), (1853, 11051), (4369, 4687)]