20603540

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1453}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 43358280

約数和(自身を除く): 22754740

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 1453, 2836, 2906, 3545, 5812, 7090, 7265, 14180, 14530, 29060, 1030177, 2060354, 4120708, 5150885, 10301770, 20603540]

約数ペア:

[(1, 20603540), (2, 10301770), (4, 5150885), (5, 4120708), (10, 2060354), (20, 1030177), (709, 29060), (1418, 14530), (1453, 14180), (2836, 7265), (2906, 7090), (3545, 5812)]