20998144

素因数分解:

$2^{11}\times {\mathrm{10253}}^1$

素因数の和:10275

約数の個数: 24

約数和(自身を含む): 41990130

約数和(自身を除く): 20991986

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10253, 20506, 41012, 82024, 164048, 328096, 656192, 1312384, 2624768, 5249536, 10499072, 20998144]

約数ペア:

[(1, 20998144), (2, 10499072), (4, 5249536), (8, 2624768), (16, 1312384), (32, 656192), (64, 328096), (128, 164048), (256, 82024), (512, 41012), (1024, 20506), (2048, 10253)]