20451424

素因数分解:

$2^5\times 7^2\times {\mathrm{13043}}^1$

素因数の和:13067

約数の個数: 36

約数和(自身を含む): 46841004

約数和(自身を除く): 26389580

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13043, 26086, 52172, 91301, 104344, 182602, 208688, 365204, 417376, 639107, 730408, 1278214, 1460816, 2556428, 2921632, 5112856, 10225712, 20451424]

約数ペア:

[(1, 20451424), (2, 10225712), (4, 5112856), (7, 2921632), (8, 2556428), (14, 1460816), (16, 1278214), (28, 730408), (32, 639107), (49, 417376), (56, 365204), (98, 208688), (112, 182602), (196, 104344), (224, 91301), (392, 52172), (784, 26086), (1568, 13043)]