20681927

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 4124473

約数列:

[1, 7, 37, 47, 259, 329, 1699, 1739, 11893, 12173, 62863, 79853, 440041, 558971, 2954561, 20681927]

約数ペア:

[(1, 20681927), (7, 2954561), (37, 558971), (47, 440041), (259, 79853), (329, 62863), (1699, 12173), (1739, 11893)]