20807521105

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12648949}}^1$

素因数の和:12649008

約数の個数: 16

約数和(自身を含む): 29143180800

約数和(自身を除く): 8335659695

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12648949, 63244745, 88542643, 442713215, 594500603, 2972503015, 4161504221, 20807521105]

約数ペア:

[(1, 20807521105), (5, 4161504221), (7, 2972503015), (35, 594500603), (47, 442713215), (235, 88542643), (329, 63244745), (1645, 12648949)]