890993660

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{22153}}^1$

素因数の和:24173

約数の個数: 24

約数和(自身を含む): 1872101616

約数和(自身を除く): 981107956

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 8044, 10055, 20110, 22153, 40220, 44306, 88612, 110765, 221530, 443060, 44549683, 89099366, 178198732, 222748415, 445496830, 890993660]

約数ペア:

[(1, 890993660), (2, 445496830), (4, 222748415), (5, 178198732), (10, 89099366), (20, 44549683), (2011, 443060), (4022, 221530), (8044, 110765), (10055, 88612), (20110, 44306), (22153, 40220)]