20152881

素因数分解:

$3^4\times 7^1\times {\mathrm{35543}}^1$

素因数の和:35562

約数の個数: 20

約数和(自身を含む): 34406592

約数和(自身を除く): 14253711

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35543, 106629, 248801, 319887, 746403, 959661, 2239209, 2878983, 6717627, 20152881]

約数ペア:

[(1, 20152881), (3, 6717627), (7, 2878983), (9, 2239209), (21, 959661), (27, 746403), (63, 319887), (81, 248801), (189, 106629), (567, 35543)]