20113938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 48048000

約数和(自身を除く): 27934062

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 1999, 3354, 3998, 5031, 5997, 10062, 11994, 17991, 25987, 35982, 51974, 77961, 85957, 155922, 171914, 233883, 257871, 467766, 515742, 773613, 1117441, 1547226, 2234882, 3352323, 6704646, 10056969, 20113938]

約数ペア:

[(1, 20113938), (2, 10056969), (3, 6704646), (6, 3352323), (9, 2234882), (13, 1547226), (18, 1117441), (26, 773613), (39, 515742), (43, 467766), (78, 257871), (86, 233883), (117, 171914), (129, 155922), (234, 85957), (258, 77961), (387, 51974), (559, 35982), (774, 25987), (1118, 17991), (1677, 11994), (1999, 10062), (3354, 5997), (3998, 5031)]