20171939781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{96259}}^1$

素因数の和:96873

約数の個数: 32

約数和(自身を含む): 32602106880

約数和(自身を除く): 12430167099

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 587, 1761, 4109, 9979, 12327, 29937, 69853, 96259, 209559, 288777, 673813, 1636403, 2021439, 4909209, 11454821, 34364463, 56504033, 169512099, 395528231, 960568561, 1186584693, 2881705683, 6723979927, 20171939781]

約数ペア:

[(1, 20171939781), (3, 6723979927), (7, 2881705683), (17, 1186584693), (21, 960568561), (51, 395528231), (119, 169512099), (357, 56504033), (587, 34364463), (1761, 11454821), (4109, 4909209), (9979, 2021439), (12327, 1636403), (29937, 673813), (69853, 288777), (96259, 209559)]