20627656

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{769}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23724344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 769, 958, 1538, 1916, 3076, 3353, 3832, 5383, 6152, 6706, 10766, 13412, 21532, 26824, 43064, 368351, 736702, 1473404, 2578457, 2946808, 5156914, 10313828, 20627656]

約数ペア:

[(1, 20627656), (2, 10313828), (4, 5156914), (7, 2946808), (8, 2578457), (14, 1473404), (28, 736702), (56, 368351), (479, 43064), (769, 26824), (958, 21532), (1538, 13412), (1916, 10766), (3076, 6706), (3353, 6152), (3832, 5383)]