20104640

素因数分解:

$2^6\times 5^1\times {\mathrm{62827}}^1$

素因数の和:62844

約数の個数: 28

約数和(自身を含む): 47874936

約数和(自身を除く): 27770296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62827, 125654, 251308, 314135, 502616, 628270, 1005232, 1256540, 2010464, 2513080, 4020928, 5026160, 10052320, 20104640]

約数ペア:

[(1, 20104640), (2, 10052320), (4, 5026160), (5, 4020928), (8, 2513080), (10, 2010464), (16, 1256540), (20, 1005232), (32, 628270), (40, 502616), (64, 314135), (80, 251308), (160, 125654), (320, 62827)]