20802980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94559}}^1$

素因数の和:94579

約数の個数: 24

約数和(自身を含む): 47658240

約数和(自身を除く): 26855260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94559, 189118, 378236, 472795, 945590, 1040149, 1891180, 2080298, 4160596, 5200745, 10401490, 20802980]

約数ペア:

[(1, 20802980), (2, 10401490), (4, 5200745), (5, 4160596), (10, 2080298), (11, 1891180), (20, 1040149), (22, 945590), (44, 472795), (55, 378236), (110, 189118), (220, 94559)]