20344640

素因数分解:

$2^6\times 5^1\times {\mathrm{63577}}^1$

素因数の和:63594

約数の個数: 28

約数和(自身を含む): 48446436

約数和(自身を除く): 28101796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63577, 127154, 254308, 317885, 508616, 635770, 1017232, 1271540, 2034464, 2543080, 4068928, 5086160, 10172320, 20344640]

約数ペア:

[(1, 20344640), (2, 10172320), (4, 5086160), (5, 4068928), (8, 2543080), (10, 2034464), (16, 1271540), (20, 1017232), (32, 635770), (40, 508616), (64, 317885), (80, 254308), (160, 127154), (320, 63577)]