20001748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1993}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 37909928

約数和(自身を除く): 17908180

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 1993, 2509, 3986, 5018, 7972, 10036, 25909, 51818, 103636, 384649, 769298, 1538596, 5000437, 10000874, 20001748]

約数ペア:

[(1, 20001748), (2, 10000874), (4, 5000437), (13, 1538596), (26, 769298), (52, 384649), (193, 103636), (386, 51818), (772, 25909), (1993, 10036), (2509, 7972), (3986, 5018)]