20943692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 46593792

約数和(自身を除く): 25650100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1166, 1283, 1484, 2332, 2566, 4081, 5132, 8162, 8981, 14113, 16324, 17962, 28226, 35924, 56452, 67999, 98791, 135998, 197582, 271996, 395164, 475993, 747989, 951986, 1495978, 1903972, 2991956, 5235923, 10471846, 20943692]

約数ペア:

[(1, 20943692), (2, 10471846), (4, 5235923), (7, 2991956), (11, 1903972), (14, 1495978), (22, 951986), (28, 747989), (44, 475993), (53, 395164), (77, 271996), (106, 197582), (154, 135998), (212, 98791), (308, 67999), (371, 56452), (583, 35924), (742, 28226), (1166, 17962), (1283, 16324), (1484, 14113), (2332, 8981), (2566, 8162), (4081, 5132)]