20665020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344417}}^1$

素因数の和:344429

約数の個数: 24

約数和(自身を含む): 57862224

約数和(自身を除く): 37197204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344417, 688834, 1033251, 1377668, 1722085, 2066502, 3444170, 4133004, 5166255, 6888340, 10332510, 20665020]

約数ペア:

[(1, 20665020), (2, 10332510), (3, 6888340), (4, 5166255), (5, 4133004), (6, 3444170), (10, 2066502), (12, 1722085), (15, 1377668), (20, 1033251), (30, 688834), (60, 344417)]