20195122

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{523}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 31125600

約数和(自身を除く): 10930478

約数列:

[1, 2, 43, 86, 449, 523, 898, 1046, 19307, 22489, 38614, 44978, 234827, 469654, 10097561, 20195122]

約数ペア:

[(1, 20195122), (2, 10097561), (43, 469654), (86, 234827), (449, 44978), (523, 38614), (898, 22489), (1046, 19307)]