20298404

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{883}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 40692288

約数和(自身を除く): 20393884

約数列:

[1, 2, 4, 7, 14, 28, 821, 883, 1642, 1766, 3284, 3532, 5747, 6181, 11494, 12362, 22988, 24724, 724943, 1449886, 2899772, 5074601, 10149202, 20298404]

約数ペア:

[(1, 20298404), (2, 10149202), (4, 5074601), (7, 2899772), (14, 1449886), (28, 724943), (821, 24724), (883, 22988), (1642, 12362), (1766, 11494), (3284, 6181), (3532, 5747)]