20667210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688907}}^1$

素因数の和:688917

約数の個数: 16

約数和(自身を含む): 49601376

約数和(自身を除く): 28934166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688907, 1377814, 2066721, 3444535, 4133442, 6889070, 10333605, 20667210]

約数ペア:

[(1, 20667210), (2, 10333605), (3, 6889070), (5, 4133442), (6, 3444535), (10, 2066721), (15, 1377814), (30, 688907)]