20760873

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 32879616

約数和(自身を除く): 12118743

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 277, 301, 581, 831, 903, 1743, 1939, 3569, 5817, 10707, 11911, 22991, 24983, 35733, 68973, 74949, 83377, 160937, 250131, 482811, 988613, 2965839, 6920291, 20760873]

約数ペア:

[(1, 20760873), (3, 6920291), (7, 2965839), (21, 988613), (43, 482811), (83, 250131), (129, 160937), (249, 83377), (277, 74949), (301, 68973), (581, 35733), (831, 24983), (903, 22991), (1743, 11911), (1939, 10707), (3569, 5817)]