20173939816

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{1777}}^1\times {\mathrm{2207}}^1$

素因数の和:4633

約数の個数: 32

約数和(自身を含む): 37923459840

約数和(自身を除く): 17749520024

約数列:

[1, 2, 4, 8, 643, 1286, 1777, 2207, 2572, 3554, 4414, 5144, 7108, 8828, 14216, 17656, 1142611, 1419101, 2285222, 2838202, 3921839, 4570444, 5676404, 7843678, 9140888, 11352808, 15687356, 31374712, 2521742477, 5043484954, 10086969908, 20173939816]

約数ペア:

[(1, 20173939816), (2, 10086969908), (4, 5043484954), (8, 2521742477), (643, 31374712), (1286, 15687356), (1777, 11352808), (2207, 9140888), (2572, 7843678), (3554, 5676404), (4414, 4570444), (5144, 3921839), (7108, 2838202), (8828, 2285222), (14216, 1419101), (17656, 1142611)]