20393020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3877}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 42999264

約数和(自身を除く): 22606244

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3877, 5260, 7754, 15508, 19385, 38770, 77540, 1019651, 2039302, 4078604, 5098255, 10196510, 20393020]

約数ペア:

[(1, 20393020), (2, 10196510), (4, 5098255), (5, 4078604), (10, 2039302), (20, 1019651), (263, 77540), (526, 38770), (1052, 19385), (1315, 15508), (2630, 7754), (3877, 5260)]