20109258

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4563

約数の個数: 48

約数和(自身を含む): 49402080

約数和(自身を除く): 29292822

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4523, 9046, 13569, 27138, 40707, 58799, 81414, 85937, 117598, 171874, 176397, 257811, 352794, 515622, 529191, 773433, 1058382, 1117181, 1546866, 2234362, 3351543, 6703086, 10054629, 20109258]

約数ペア:

[(1, 20109258), (2, 10054629), (3, 6703086), (6, 3351543), (9, 2234362), (13, 1546866), (18, 1117181), (19, 1058382), (26, 773433), (38, 529191), (39, 515622), (57, 352794), (78, 257811), (114, 176397), (117, 171874), (171, 117598), (234, 85937), (247, 81414), (342, 58799), (494, 40707), (741, 27138), (1482, 13569), (2223, 9046), (4446, 4523)]