20005941123

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{915143}}^1$

素因数の和:915503

約数の個数: 24

約数和(自身を含む): 33120891648

約数和(自身を除く): 13114950525

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3123, 7287, 21861, 915143, 2745429, 6406001, 8236287, 19218003, 57654009, 317554621, 952663863, 2222882347, 2857991589, 6668647041, 20005941123]

約数ペア:

[(1, 20005941123), (3, 6668647041), (7, 2857991589), (9, 2222882347), (21, 952663863), (63, 317554621), (347, 57654009), (1041, 19218003), (2429, 8236287), (3123, 6406001), (7287, 2745429), (21861, 915143)]