30020620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214433}}^1$

素因数の和:214449

約数の個数: 24

約数和(自身を含む): 72049824

約数和(自身を除く): 42029204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214433, 428866, 857732, 1072165, 1501031, 2144330, 3002062, 4288660, 6004124, 7505155, 15010310, 30020620]

約数ペア:

[(1, 30020620), (2, 15010310), (4, 7505155), (5, 6004124), (7, 4288660), (10, 3002062), (14, 2144330), (20, 1501031), (28, 1072165), (35, 857732), (70, 428866), (140, 214433)]