20465152

素因数分解:

$2^9\times {\mathrm{39971}}^1$

素因数の和:39989

約数の個数: 20

約数和(自身を含む): 40891356

約数和(自身を除く): 20426204

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39971, 79942, 159884, 319768, 639536, 1279072, 2558144, 5116288, 10232576, 20465152]

約数ペア:

[(1, 20465152), (2, 10232576), (4, 5116288), (8, 2558144), (16, 1279072), (32, 639536), (64, 319768), (128, 159884), (256, 79942), (512, 39971)]