20966788

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 38062080

約数和(自身を除く): 17095292

約数列:

[1, 2, 4, 31, 62, 124, 353, 479, 706, 958, 1412, 1916, 10943, 14849, 21886, 29698, 43772, 59396, 169087, 338174, 676348, 5241697, 10483394, 20966788]

約数ペア:

[(1, 20966788), (2, 10483394), (4, 5241697), (31, 676348), (62, 338174), (124, 169087), (353, 59396), (479, 43772), (706, 29698), (958, 21886), (1412, 14849), (1916, 10943)]