20650053

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2756

約数の個数: 16

約数和(自身を含む): 29350080

約数和(自身を除く): 8700027

約数列:

[1, 3, 17, 51, 157, 471, 2579, 2669, 7737, 8007, 43843, 131529, 404903, 1214709, 6883351, 20650053]

約数ペア:

[(1, 20650053), (3, 6883351), (17, 1214709), (51, 404903), (157, 131529), (471, 43843), (2579, 8007), (2669, 7737)]