20371127272

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{2071921}}^1$

素因数の和:2073156

約数の個数: 16

約数和(自身を含む): 38226960900

約数和(自身を除く): 17855833628

約数列:

[1, 2, 4, 8, 1229, 2458, 4916, 9832, 2071921, 4143842, 8287684, 16575368, 2546390909, 5092781818, 10185563636, 20371127272]

約数ペア:

[(1, 20371127272), (2, 10185563636), (4, 5092781818), (8, 2546390909), (1229, 16575368), (2458, 8287684), (4916, 4143842), (9832, 2071921)]