20517176725

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{2137}}^1\times {\mathrm{8171}}^1$

素因数の和:10365

約数の個数: 24

約数和(自身を含む): 25997943168

約数和(自身を除く): 5480766443

約数列:

[1, 5, 25, 47, 235, 1175, 2137, 8171, 10685, 40855, 53425, 100439, 204275, 384037, 502195, 1920185, 2510975, 9600925, 17461427, 87307135, 436535675, 820687069, 4103435345, 20517176725]

約数ペア:

[(1, 20517176725), (5, 4103435345), (25, 820687069), (47, 436535675), (235, 87307135), (1175, 17461427), (2137, 9600925), (8171, 2510975), (10685, 1920185), (40855, 502195), (53425, 384037), (100439, 204275)]