20488520450

素因数分解:

$2^1\times 5^2\times {\mathrm{977}}^1\times {\mathrm{419417}}^1$

素因数の和:420406

約数の個数: 24

約数和(自身を含む): 38147744772

約数和(自身を除く): 17659224322

約数列:

[1, 2, 5, 10, 25, 50, 977, 1954, 4885, 9770, 24425, 48850, 419417, 838834, 2097085, 4194170, 10485425, 20970850, 409770409, 819540818, 2048852045, 4097704090, 10244260225, 20488520450]

約数ペア:

[(1, 20488520450), (2, 10244260225), (5, 4097704090), (10, 2048852045), (25, 819540818), (50, 409770409), (977, 20970850), (1954, 10485425), (4885, 4194170), (9770, 2097085), (24425, 838834), (48850, 419417)]