20504992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37693}}^1$

素因数の和:37720

約数の個数: 24

約数和(自身を含む): 42744996

約数和(自身を除く): 22240004

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37693, 75386, 150772, 301544, 603088, 640781, 1206176, 1281562, 2563124, 5126248, 10252496, 20504992]

約数ペア:

[(1, 20504992), (2, 10252496), (4, 5126248), (8, 2563124), (16, 1281562), (17, 1206176), (32, 640781), (34, 603088), (68, 301544), (136, 150772), (272, 75386), (544, 37693)]