20375264

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7027

約数の個数: 48

約数和(自身を含む): 49377888

約数和(自身を除く): 29002624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6997, 13994, 27988, 48979, 55976, 90961, 97958, 111952, 181922, 195916, 223904, 363844, 391832, 636727, 727688, 783664, 1273454, 1455376, 1567328, 2546908, 2910752, 5093816, 10187632, 20375264]

約数ペア:

[(1, 20375264), (2, 10187632), (4, 5093816), (7, 2910752), (8, 2546908), (13, 1567328), (14, 1455376), (16, 1273454), (26, 783664), (28, 727688), (32, 636727), (52, 391832), (56, 363844), (91, 223904), (104, 195916), (112, 181922), (182, 111952), (208, 97958), (224, 90961), (364, 55976), (416, 48979), (728, 27988), (1456, 13994), (2912, 6997)]