20816350

素因数分解:

$2^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{911}}^1$

素因数の和:1380

約数の個数: 24

約数和(自身を含む): 38845728

約数和(自身を除く): 18029378

約数列:

[1, 2, 5, 10, 25, 50, 457, 911, 914, 1822, 2285, 4555, 4570, 9110, 11425, 22775, 22850, 45550, 416327, 832654, 2081635, 4163270, 10408175, 20816350]

約数ペア:

[(1, 20816350), (2, 10408175), (5, 4163270), (10, 2081635), (25, 832654), (50, 416327), (457, 45550), (911, 22850), (914, 22775), (1822, 11425), (2285, 9110), (4555, 4570)]