20178570904

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{1321}}^1\times {\mathrm{26893}}^1$

素因数の和:28291

約数の個数: 32

約数和(自身を含む): 38398177440

約数和(自身を除く): 18219606536

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 1321, 2642, 5284, 10568, 26893, 53786, 93791, 107572, 187582, 215144, 375164, 750328, 1909403, 3818806, 7637612, 15275224, 35525653, 71051306, 142102612, 284205224, 2522321363, 5044642726, 10089285452, 20178570904]

約数ペア:

[(1, 20178570904), (2, 10089285452), (4, 5044642726), (8, 2522321363), (71, 284205224), (142, 142102612), (284, 71051306), (568, 35525653), (1321, 15275224), (2642, 7637612), (5284, 3818806), (10568, 1909403), (26893, 750328), (53786, 375164), (93791, 215144), (107572, 187582)]