20278140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337969}}^1$

素因数の和:337981

約数の個数: 24

約数和(自身を含む): 56778960

約数和(自身を除く): 36500820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337969, 675938, 1013907, 1351876, 1689845, 2027814, 3379690, 4055628, 5069535, 6759380, 10139070, 20278140]

約数ペア:

[(1, 20278140), (2, 10139070), (3, 6759380), (4, 5069535), (5, 4055628), (6, 3379690), (10, 2027814), (12, 1689845), (15, 1351876), (20, 1013907), (30, 675938), (60, 337969)]