20699456

素因数分解:

$2^6\times {\mathrm{503}}^1\times {\mathrm{643}}^1$

素因数の和:1158

約数の個数: 28

約数和(自身を含む): 41221152

約数和(自身を除く): 20521696

約数列:

[1, 2, 4, 8, 16, 32, 64, 503, 643, 1006, 1286, 2012, 2572, 4024, 5144, 8048, 10288, 16096, 20576, 32192, 41152, 323429, 646858, 1293716, 2587432, 5174864, 10349728, 20699456]

約数ペア:

[(1, 20699456), (2, 10349728), (4, 5174864), (8, 2587432), (16, 1293716), (32, 646858), (64, 323429), (503, 41152), (643, 32192), (1006, 20576), (1286, 16096), (2012, 10288), (2572, 8048), (4024, 5144)]