20005925936

素因数分解:

$2^4\times {\mathrm{5309}}^1\times {\mathrm{235519}}^1$

素因数の和:240836

約数の個数: 20

約数和(自身を含む): 38768947200

約数和(自身を除く): 18763021264

約数列:

[1, 2, 4, 8, 16, 5309, 10618, 21236, 42472, 84944, 235519, 471038, 942076, 1884152, 3768304, 1250370371, 2500740742, 5001481484, 10002962968, 20005925936]

約数ペア:

[(1, 20005925936), (2, 10002962968), (4, 5001481484), (8, 2500740742), (16, 1250370371), (5309, 3768304), (10618, 1884152), (21236, 942076), (42472, 471038), (84944, 235519)]