20166272

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 26541568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 317, 448, 497, 568, 634, 896, 994, 1136, 1268, 1988, 2219, 2272, 2536, 3976, 4438, 4544, 5072, 7952, 8876, 9088, 10144, 15904, 17752, 20288, 22507, 31808, 35504, 40576, 45014, 63616, 71008, 90028, 142016, 157549, 180056, 284032, 315098, 360112, 630196, 720224, 1260392, 1440448, 2520784, 2880896, 5041568, 10083136, 20166272]

約数ペア:

[(1, 20166272), (2, 10083136), (4, 5041568), (7, 2880896), (8, 2520784), (14, 1440448), (16, 1260392), (28, 720224), (32, 630196), (56, 360112), (64, 315098), (71, 284032), (112, 180056), (128, 157549), (142, 142016), (224, 90028), (284, 71008), (317, 63616), (448, 45014), (497, 40576), (568, 35504), (634, 31808), (896, 22507), (994, 20288), (1136, 17752), (1268, 15904), (1988, 10144), (2219, 9088), (2272, 8876), (2536, 7952), (3976, 5072), (4438, 4544)]