20517376

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3643}}^1$

素因数の和:3672

約数の個数: 40

約数和(自身を含む): 44733744

約数和(自身を除く): 24216368

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3643, 5632, 7286, 14572, 29144, 40073, 58288, 80146, 116576, 160292, 233152, 320584, 466304, 641168, 932608, 1282336, 1865216, 2564672, 5129344, 10258688, 20517376]

約数ペア:

[(1, 20517376), (2, 10258688), (4, 5129344), (8, 2564672), (11, 1865216), (16, 1282336), (22, 932608), (32, 641168), (44, 466304), (64, 320584), (88, 233152), (128, 160292), (176, 116576), (256, 80146), (352, 58288), (512, 40073), (704, 29144), (1408, 14572), (2816, 7286), (3643, 5632)]