20120141853

素因数分解:

$3^4\times 7^1\times {\mathrm{35485259}}^1$

素因数の和:35485278

約数の個数: 20

約数和(自身を含む): 34349731680

約数和(自身を除く): 14229589827

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35485259, 106455777, 248396813, 319367331, 745190439, 958101993, 2235571317, 2874305979, 6706713951, 20120141853]

約数ペア:

[(1, 20120141853), (3, 6706713951), (7, 2874305979), (9, 2235571317), (21, 958101993), (27, 745190439), (63, 319367331), (81, 248396813), (189, 106455777), (567, 35485259)]