20780442

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1109}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 46353600

約数和(自身を除く): 25573158

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1109, 2082, 2218, 3123, 3327, 6246, 6654, 9369, 9981, 18738, 19962, 29943, 59886, 384823, 769646, 1154469, 2308938, 3463407, 6926814, 10390221, 20780442]

約数ペア:

[(1, 20780442), (2, 10390221), (3, 6926814), (6, 3463407), (9, 2308938), (18, 1154469), (27, 769646), (54, 384823), (347, 59886), (694, 29943), (1041, 19962), (1109, 18738), (2082, 9981), (2218, 9369), (3123, 6654), (3327, 6246)]