20803244

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9649}}^1$

素因数の和:9678

約数の個数: 36

約数和(自身を含む): 46204200

約数和(自身を除く): 25400956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9649, 19298, 38596, 67543, 106139, 135086, 212278, 270172, 424556, 472801, 742973, 945602, 1485946, 1891204, 2971892, 5200811, 10401622, 20803244]

約数ペア:

[(1, 20803244), (2, 10401622), (4, 5200811), (7, 2971892), (11, 1891204), (14, 1485946), (22, 945602), (28, 742973), (44, 472801), (49, 424556), (77, 270172), (98, 212278), (154, 135086), (196, 106139), (308, 67543), (539, 38596), (1078, 19298), (2156, 9649)]