20187928705

素因数分解:

$5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{287107}}^1$

素因数の和:287174

約数の個数: 32

約数和(自身を含む): 28940486400

約数和(自身を除く): 8752557695

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 343, 1435, 1715, 2009, 10045, 14063, 70315, 287107, 1435535, 2009749, 10048745, 11771387, 14068243, 58856935, 70341215, 82399709, 98477701, 411998545, 492388505, 576797963, 2883989815, 4037585741, 20187928705]

約数ペア:

[(1, 20187928705), (5, 4037585741), (7, 2883989815), (35, 576797963), (41, 492388505), (49, 411998545), (205, 98477701), (245, 82399709), (287, 70341215), (343, 58856935), (1435, 14068243), (1715, 11771387), (2009, 10048745), (10045, 2009749), (14063, 1435535), (70315, 287107)]