20087900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28697}}^1$

素因数の和:28718

約数の個数: 36

約数和(自身を含む): 49819728

約数和(自身を除く): 29731828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28697, 57394, 114788, 143485, 200879, 286970, 401758, 573940, 717425, 803516, 1004395, 1434850, 2008790, 2869700, 4017580, 5021975, 10043950, 20087900]

約数ペア:

[(1, 20087900), (2, 10043950), (4, 5021975), (5, 4017580), (7, 2869700), (10, 2008790), (14, 1434850), (20, 1004395), (25, 803516), (28, 717425), (35, 573940), (50, 401758), (70, 286970), (100, 200879), (140, 143485), (175, 114788), (350, 57394), (700, 28697)]