20707328

素因数分解:

$2^{11}\times {\mathrm{10111}}^1$

素因数の和:10133

約数の個数: 24

約数和(自身を含む): 41408640

約数和(自身を除く): 20701312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10111, 20222, 40444, 80888, 161776, 323552, 647104, 1294208, 2588416, 5176832, 10353664, 20707328]

約数ペア:

[(1, 20707328), (2, 10353664), (4, 5176832), (8, 2588416), (16, 1294208), (32, 647104), (64, 323552), (128, 161776), (256, 80888), (512, 40444), (1024, 20222), (2048, 10111)]