2020488910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{21433}}^1$

素因数の和:22308

約数の個数: 32

約数和(自身を含む): 3972320352

約数和(自身を除く): 1951831442

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 857, 1714, 4285, 8570, 9427, 18854, 21433, 42866, 47135, 94270, 107165, 214330, 235763, 471526, 1178815, 2357630, 18368081, 36736162, 91840405, 183680810, 202048891, 404097782, 1010244455, 2020488910]

約数ペア:

[(1, 2020488910), (2, 1010244455), (5, 404097782), (10, 202048891), (11, 183680810), (22, 91840405), (55, 36736162), (110, 18368081), (857, 2357630), (1714, 1178815), (4285, 471526), (8570, 235763), (9427, 214330), (18854, 107165), (21433, 94270), (42866, 47135)]