20172272918

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{224891}}^1$

素因数の和:225092

約数の個数: 32

約数和(自身を含む): 35622892800

約数和(自身を除く): 15450619882

約数列:

[1, 2, 7, 14, 43, 86, 149, 298, 301, 602, 1043, 2086, 6407, 12814, 44849, 89698, 224891, 449782, 1574237, 3148474, 9670313, 19340626, 33508759, 67017518, 67692191, 135384382, 234561313, 469122626, 1440876637, 2881753274, 10086136459, 20172272918]

約数ペア:

[(1, 20172272918), (2, 10086136459), (7, 2881753274), (14, 1440876637), (43, 469122626), (86, 234561313), (149, 135384382), (298, 67692191), (301, 67017518), (602, 33508759), (1043, 19340626), (2086, 9670313), (6407, 3148474), (12814, 1574237), (44849, 449782), (89698, 224891)]