20976836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{276011}}^1$

素因数の和:276034

約数の個数: 12

約数和(自身を含む): 38641680

約数和(自身を除く): 17664844

約数列:

[1, 2, 4, 19, 38, 76, 276011, 552022, 1104044, 5244209, 10488418, 20976836]

約数ペア:

[(1, 20976836), (2, 10488418), (4, 5244209), (19, 1104044), (38, 552022), (76, 276011)]