20915244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82997}}^1$

素因数の和:83014

約数の個数: 36

約数和(自身を含む): 60422544

約数和(自身を除く): 39507300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82997, 165994, 248991, 331988, 497982, 580979, 746973, 995964, 1161958, 1493946, 1742937, 2323916, 2987892, 3485874, 5228811, 6971748, 10457622, 20915244]

約数ペア:

[(1, 20915244), (2, 10457622), (3, 6971748), (4, 5228811), (6, 3485874), (7, 2987892), (9, 2323916), (12, 1742937), (14, 1493946), (18, 1161958), (21, 995964), (28, 746973), (36, 580979), (42, 497982), (63, 331988), (84, 248991), (126, 165994), (252, 82997)]