20666130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688871}}^1$

素因数の和:688881

約数の個数: 16

約数和(自身を含む): 49598784

約数和(自身を除く): 28932654

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688871, 1377742, 2066613, 3444355, 4133226, 6888710, 10333065, 20666130]

約数ペア:

[(1, 20666130), (2, 10333065), (3, 6888710), (5, 4133226), (6, 3444355), (10, 2066613), (15, 1377742), (30, 688871)]