20372044

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 54

約数和(自身を含む): 45637620

約数和(自身を除く): 25265576

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 859, 1078, 1694, 1718, 2156, 3388, 3436, 5929, 6013, 9449, 11858, 12026, 18898, 23716, 24052, 37796, 42091, 66143, 84182, 103939, 132286, 168364, 207878, 264572, 415756, 463001, 727573, 926002, 1455146, 1852004, 2910292, 5093011, 10186022, 20372044]

約数ペア:

[(1, 20372044), (2, 10186022), (4, 5093011), (7, 2910292), (11, 1852004), (14, 1455146), (22, 926002), (28, 727573), (44, 463001), (49, 415756), (77, 264572), (98, 207878), (121, 168364), (154, 132286), (196, 103939), (242, 84182), (308, 66143), (484, 42091), (539, 37796), (847, 24052), (859, 23716), (1078, 18898), (1694, 12026), (1718, 11858), (2156, 9449), (3388, 6013), (3436, 5929)]