20516922

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20027

約数の個数: 32

約数和(自身を含む): 47995200

約数和(自身を除く): 27478278

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19997, 39994, 59991, 119982, 179973, 359946, 379943, 539919, 759886, 1079838, 1139829, 2279658, 3419487, 6838974, 10258461, 20516922]

約数ペア:

[(1, 20516922), (2, 10258461), (3, 6838974), (6, 3419487), (9, 2279658), (18, 1139829), (19, 1079838), (27, 759886), (38, 539919), (54, 379943), (57, 359946), (114, 179973), (171, 119982), (342, 59991), (513, 39994), (1026, 19997)]