20617540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6827}}^1$

素因数の和:6987

約数の個数: 24

約数和(自身を含む): 43589952

約数和(自身を除く): 22972412

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6827, 13654, 27308, 34135, 68270, 136540, 1030877, 2061754, 4123508, 5154385, 10308770, 20617540]

約数ペア:

[(1, 20617540), (2, 10308770), (4, 5154385), (5, 4123508), (10, 2061754), (20, 1030877), (151, 136540), (302, 68270), (604, 34135), (755, 27308), (1510, 13654), (3020, 6827)]