20794865140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148534751}}^1$

素因数の和:148534767

約数の個数: 24

約数和(自身を含む): 49907676672

約数和(自身を除く): 29112811532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148534751, 297069502, 594139004, 742673755, 1039743257, 1485347510, 2079486514, 2970695020, 4158973028, 5198716285, 10397432570, 20794865140]

約数ペア:

[(1, 20794865140), (2, 10397432570), (4, 5198716285), (5, 4158973028), (7, 2970695020), (10, 2079486514), (14, 1485347510), (20, 1039743257), (28, 742673755), (35, 594139004), (70, 297069502), (140, 148534751)]