20558601

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7589}}^1$

素因数の和:7645

約数の個数: 24

約数和(自身を含む): 34731840

約数和(自身を除く): 14173239

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7589, 22767, 53123, 68301, 159369, 326327, 478107, 978981, 2284289, 2936943, 6852867, 20558601]

約数ペア:

[(1, 20558601), (3, 6852867), (7, 2936943), (9, 2284289), (21, 978981), (43, 478107), (63, 326327), (129, 159369), (301, 68301), (387, 53123), (903, 22767), (2709, 7589)]