855452020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{602431}}^1$

素因数の和:602511

約数の個数: 24

約数和(自身を含む): 1821754368

約数和(自身を除く): 966302348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 602431, 1204862, 2409724, 3012155, 6024310, 12048620, 42772601, 85545202, 171090404, 213863005, 427726010, 855452020]

約数ペア:

[(1, 855452020), (2, 427726010), (4, 213863005), (5, 171090404), (10, 85545202), (20, 42772601), (71, 12048620), (142, 6024310), (284, 3012155), (355, 2409724), (710, 1204862), (1420, 602431)]