20674976

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4013}}^1$

素因数の和:4053

約数の個数: 48

約数和(自身を含む): 48553344

約数和(自身を除く): 27878368

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4013, 5152, 8026, 16052, 28091, 32104, 56182, 64208, 92299, 112364, 128416, 184598, 224728, 369196, 449456, 646093, 738392, 898912, 1292186, 1476784, 2584372, 2953568, 5168744, 10337488, 20674976]

約数ペア:

[(1, 20674976), (2, 10337488), (4, 5168744), (7, 2953568), (8, 2584372), (14, 1476784), (16, 1292186), (23, 898912), (28, 738392), (32, 646093), (46, 449456), (56, 369196), (92, 224728), (112, 184598), (161, 128416), (184, 112364), (224, 92299), (322, 64208), (368, 56182), (644, 32104), (736, 28091), (1288, 16052), (2576, 8026), (4013, 5152)]