20586517

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 24537600

約数和(自身を除く): 3951083

約数列:

[1, 7, 47, 49, 329, 343, 1277, 2303, 8939, 16121, 60019, 62573, 420133, 438011, 2940931, 20586517]

約数ペア:

[(1, 20586517), (7, 2940931), (47, 438011), (49, 420133), (329, 62573), (343, 60019), (1277, 16121), (2303, 8939)]