20144243

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 24744384

約数和(自身を除く): 4600141

約数列:

[1, 7, 37, 41, 49, 259, 271, 287, 1517, 1813, 1897, 2009, 10027, 10619, 11111, 13279, 70189, 74333, 77777, 411107, 491323, 544439, 2877749, 20144243]

約数ペア:

[(1, 20144243), (7, 2877749), (37, 544439), (41, 491323), (49, 411107), (259, 77777), (271, 74333), (287, 70189), (1517, 13279), (1813, 11111), (1897, 10619), (2009, 10027)]