20198853207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{112031}}^1$

素因数の和:112140

約数の個数: 48

約数和(自身を含む): 33276192768

約数和(自身を除く): 13077339561

約数列:

[1, 3, 9, 13, 23, 39, 67, 69, 117, 201, 207, 299, 603, 871, 897, 1541, 2613, 2691, 4623, 7839, 13869, 20033, 60099, 112031, 180297, 336093, 1008279, 1456403, 2576713, 4369209, 7506077, 7730139, 13107627, 22518231, 23190417, 33497269, 67554693, 97579001, 100491807, 172639771, 292737003, 301475421, 517919313, 878211009, 1553757939, 2244317023, 6732951069, 20198853207]

約数ペア:

[(1, 20198853207), (3, 6732951069), (9, 2244317023), (13, 1553757939), (23, 878211009), (39, 517919313), (67, 301475421), (69, 292737003), (117, 172639771), (201, 100491807), (207, 97579001), (299, 67554693), (603, 33497269), (871, 23190417), (897, 22518231), (1541, 13107627), (2613, 7730139), (2691, 7506077), (4623, 4369209), (7839, 2576713), (13869, 1456403), (20033, 1008279), (60099, 336093), (112031, 180297)]