20796860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148549}}^1$

素因数の和:148565

約数の個数: 24

約数和(自身を含む): 49912800

約数和(自身を除く): 29115940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148549, 297098, 594196, 742745, 1039843, 1485490, 2079686, 2970980, 4159372, 5199215, 10398430, 20796860]

約数ペア:

[(1, 20796860), (2, 10398430), (4, 5199215), (5, 4159372), (7, 2970980), (10, 2079686), (14, 1485490), (20, 1039843), (28, 742745), (35, 594196), (70, 297098), (140, 148549)]