20347390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{290677}}^1$

素因数の和:290691

約数の個数: 16

約数和(自身を含む): 41857632

約数和(自身を除く): 21510242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 290677, 581354, 1453385, 2034739, 2906770, 4069478, 10173695, 20347390]

約数ペア:

[(1, 20347390), (2, 10173695), (5, 4069478), (7, 2906770), (10, 2034739), (14, 1453385), (35, 581354), (70, 290677)]