20189060744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81407503}}^1$

素因数の和:81407540

約数の個数: 16

約数和(自身を含む): 39075601920

約数和(自身を除く): 18886541176

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81407503, 162815006, 325630012, 651260024, 2523632593, 5047265186, 10094530372, 20189060744]

約数ペア:

[(1, 20189060744), (2, 10094530372), (4, 5047265186), (8, 2523632593), (31, 651260024), (62, 325630012), (124, 162815006), (248, 81407503)]