20204582

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 10968538

約数列:

[1, 2, 43, 86, 239, 478, 983, 1966, 10277, 20554, 42269, 84538, 234937, 469874, 10102291, 20204582]

約数ペア:

[(1, 20204582), (2, 10102291), (43, 469874), (86, 234937), (239, 84538), (478, 42269), (983, 20554), (1966, 10277)]