12815020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13633}}^1$

素因数の和:13689

約数の個数: 24

約数和(自身を含む): 27486144

約数和(自身を除く): 14671124

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 13633, 27266, 54532, 68165, 136330, 272660, 640751, 1281502, 2563004, 3203755, 6407510, 12815020]

約数ペア:

[(1, 12815020), (2, 6407510), (4, 3203755), (5, 2563004), (10, 1281502), (20, 640751), (47, 272660), (94, 136330), (188, 68165), (235, 54532), (470, 27266), (940, 13633)]