20899328

素因数分解:

$2^9\times {\mathrm{40819}}^1$

素因数の和:40837

約数の個数: 20

約数和(自身を含む): 41758860

約数和(自身を除く): 20859532

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40819, 81638, 163276, 326552, 653104, 1306208, 2612416, 5224832, 10449664, 20899328]

約数ペア:

[(1, 20899328), (2, 10449664), (4, 5224832), (8, 2612416), (16, 1306208), (32, 653104), (64, 326552), (128, 163276), (256, 81638), (512, 40819)]