20348321

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 23986176

約数和(自身を除く): 3637855

約数列:

[1, 7, 47, 127, 329, 487, 889, 3409, 5969, 22889, 41783, 61849, 160223, 432943, 2906903, 20348321]

約数ペア:

[(1, 20348321), (7, 2906903), (47, 432943), (127, 160223), (329, 61849), (487, 41783), (889, 22889), (3409, 5969)]