20457768

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{887}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 52907040

約数和(自身を除く): 32449272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 887, 961, 1774, 1922, 2661, 2883, 3548, 3844, 5322, 5766, 7096, 7688, 10644, 11532, 21288, 23064, 27497, 54994, 82491, 109988, 164982, 219976, 329964, 659928, 852407, 1704814, 2557221, 3409628, 5114442, 6819256, 10228884, 20457768]

約数ペア:

[(1, 20457768), (2, 10228884), (3, 6819256), (4, 5114442), (6, 3409628), (8, 2557221), (12, 1704814), (24, 852407), (31, 659928), (62, 329964), (93, 219976), (124, 164982), (186, 109988), (248, 82491), (372, 54994), (744, 27497), (887, 23064), (961, 21288), (1774, 11532), (1922, 10644), (2661, 7688), (2883, 7096), (3548, 5766), (3844, 5322)]