20930147287

素因数分解:

$7^2\times {\mathrm{193}}^1\times {\mathrm{2213191}}^1$

素因数の和:2213398

約数の個数: 12

約数和(自身を含む): 24473477136

約数和(自身を除く): 3543329849

約数列:

[1, 7, 49, 193, 1351, 9457, 2213191, 15492337, 108446359, 427145863, 2990021041, 20930147287]

約数ペア:

[(1, 20930147287), (7, 2990021041), (49, 427145863), (193, 108446359), (1351, 15492337), (9457, 2213191)]