20204216

素因数分解:

$2^3\times {\mathrm{1009}}^1\times {\mathrm{2503}}^1$

素因数の和:3518

約数の個数: 16

約数和(自身を含む): 37935600

約数和(自身を除く): 17731384

約数列:

[1, 2, 4, 8, 1009, 2018, 2503, 4036, 5006, 8072, 10012, 20024, 2525527, 5051054, 10102108, 20204216]

約数ペア:

[(1, 20204216), (2, 10102108), (4, 5051054), (8, 2525527), (1009, 20024), (2018, 10012), (2503, 8072), (4036, 5006)]