20525792

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2191

約数の個数: 48

約数和(自身を含む): 47279232

約数和(自身を除く): 26753440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2131, 2408, 4262, 4816, 8524, 9632, 14917, 17048, 29834, 34096, 59668, 68192, 91633, 119336, 183266, 238672, 366532, 477344, 641431, 733064, 1282862, 1466128, 2565724, 2932256, 5131448, 10262896, 20525792]

約数ペア:

[(1, 20525792), (2, 10262896), (4, 5131448), (7, 2932256), (8, 2565724), (14, 1466128), (16, 1282862), (28, 733064), (32, 641431), (43, 477344), (56, 366532), (86, 238672), (112, 183266), (172, 119336), (224, 91633), (301, 68192), (344, 59668), (602, 34096), (688, 29834), (1204, 17048), (1376, 14917), (2131, 9632), (2408, 8524), (4262, 4816)]