20973824

素因数分解:

$2^8\times {\mathrm{81929}}^1$

素因数の和:81945

約数の個数: 18

約数和(自身を含む): 41866230

約数和(自身を除く): 20892406

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81929, 163858, 327716, 655432, 1310864, 2621728, 5243456, 10486912, 20973824]

約数ペア:

[(1, 20973824), (2, 10486912), (4, 5243456), (8, 2621728), (16, 1310864), (32, 655432), (64, 327716), (128, 163858), (256, 81929)]