20790890638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{91631}}^1$

素因数の和:92512

約数の個数: 32

約数和(自身を含む): 37561789440

約数和(自身を除く): 16770898802

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 853, 1706, 5971, 11942, 16207, 32414, 91631, 113449, 183262, 226898, 641417, 1282834, 1740989, 3481978, 12186923, 24373846, 78161243, 156322486, 547128701, 1094257402, 1485063617, 2970127234, 10395445319, 20790890638]

約数ペア:

[(1, 20790890638), (2, 10395445319), (7, 2970127234), (14, 1485063617), (19, 1094257402), (38, 547128701), (133, 156322486), (266, 78161243), (853, 24373846), (1706, 12186923), (5971, 3481978), (11942, 1740989), (16207, 1282834), (32414, 641417), (91631, 226898), (113449, 183262)]