20398592

素因数分解:

$2^9\times {\mathrm{39841}}^1$

素因数の和:39859

約数の個数: 20

約数和(自身を含む): 40758366

約数和(自身を除く): 20359774

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39841, 79682, 159364, 318728, 637456, 1274912, 2549824, 5099648, 10199296, 20398592]

約数ペア:

[(1, 20398592), (2, 10199296), (4, 5099648), (8, 2549824), (16, 1274912), (32, 637456), (64, 318728), (128, 159364), (256, 79682), (512, 39841)]