20728274

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6823}}^1$

素因数の和:6870

約数の個数: 24

約数和(自身を含む): 37340928

約数和(自身を除く): 16612654

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6823, 13646, 47761, 95522, 211513, 334327, 423026, 668654, 1480591, 2961182, 10364137, 20728274]

約数ペア:

[(1, 20728274), (2, 10364137), (7, 2961182), (14, 1480591), (31, 668654), (49, 423026), (62, 334327), (98, 211513), (217, 95522), (434, 47761), (1519, 13646), (3038, 6823)]