20147011990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41116351}}^1$

素因数の和:41116372

約数の個数: 24

約数和(自身を含む): 42185377152

約数和(自身を除く): 22038365162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41116351, 82232702, 205581755, 287814457, 411163510, 575628914, 1439072285, 2014701199, 2878144570, 4029402398, 10073505995, 20147011990]

約数ペア:

[(1, 20147011990), (2, 10073505995), (5, 4029402398), (7, 2878144570), (10, 2014701199), (14, 1439072285), (35, 575628914), (49, 411163510), (70, 287814457), (98, 205581755), (245, 82232702), (490, 41116351)]