20546176

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 48862080

約数和(自身を除く): 28315904

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 997, 1288, 1472, 1994, 2576, 2944, 3988, 5152, 6979, 7976, 10304, 13958, 15952, 20608, 22931, 27916, 31904, 45862, 55832, 63808, 91724, 111664, 127616, 160517, 183448, 223328, 321034, 366896, 446656, 642068, 733792, 893312, 1284136, 1467584, 2568272, 2935168, 5136544, 10273088, 20546176]

約数ペア:

[(1, 20546176), (2, 10273088), (4, 5136544), (7, 2935168), (8, 2568272), (14, 1467584), (16, 1284136), (23, 893312), (28, 733792), (32, 642068), (46, 446656), (56, 366896), (64, 321034), (92, 223328), (112, 183448), (128, 160517), (161, 127616), (184, 111664), (224, 91724), (322, 63808), (368, 55832), (448, 45862), (644, 31904), (736, 27916), (896, 22931), (997, 20608), (1288, 15952), (1472, 13958), (1994, 10304), (2576, 7976), (2944, 6979), (3988, 5152)]