20443648

素因数分解:

$2^9\times {\mathrm{39929}}^1$

素因数の和:39947

約数の個数: 20

約数和(自身を含む): 40848390

約数和(自身を除く): 20404742

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39929, 79858, 159716, 319432, 638864, 1277728, 2555456, 5110912, 10221824, 20443648]

約数ペア:

[(1, 20443648), (2, 10221824), (4, 5110912), (8, 2555456), (16, 1277728), (32, 638864), (64, 319432), (128, 159716), (256, 79858), (512, 39929)]