20805551224

素因数分解:

$2^3\times {\mathrm{308761}}^1\times {\mathrm{8423}}^1$

素因数の和:317190

約数の個数: 16

約数和(自身を含む): 39015166320

約数和(自身を除く): 18209615096

約数列:

[1, 2, 4, 8, 8423, 16846, 33692, 67384, 308761, 617522, 1235044, 2470088, 2600693903, 5201387806, 10402775612, 20805551224]

約数ペア:

[(1, 20805551224), (2, 10402775612), (4, 5201387806), (8, 2600693903), (8423, 2470088), (16846, 1235044), (33692, 617522), (67384, 308761)]