20523008

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24292672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 911, 1024, 1408, 1822, 2048, 2816, 3644, 5632, 7288, 10021, 11264, 14576, 20042, 22528, 29152, 40084, 58304, 80168, 116608, 160336, 233216, 320672, 466432, 641344, 932864, 1282688, 1865728, 2565376, 5130752, 10261504, 20523008]

約数ペア:

[(1, 20523008), (2, 10261504), (4, 5130752), (8, 2565376), (11, 1865728), (16, 1282688), (22, 932864), (32, 641344), (44, 466432), (64, 320672), (88, 233216), (128, 160336), (176, 116608), (256, 80168), (352, 58304), (512, 40084), (704, 29152), (911, 22528), (1024, 20042), (1408, 14576), (1822, 11264), (2048, 10021), (2816, 7288), (3644, 5632)]