20512722447

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{682597}}^1$

素因数の和:682669

約数の個数: 40

約数和(自身を含む): 35680762656

約数和(自身を除く): 15168040209

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 3339, 4293, 10017, 30051, 682597, 2047791, 4778179, 6143373, 14334537, 18430119, 36177641, 43003611, 55290357, 108532923, 129010833, 253243487, 325598769, 387032499, 759730461, 976796307, 2279191383, 2930388921, 6837574149, 20512722447]

約数ペア:

[(1, 20512722447), (3, 6837574149), (7, 2930388921), (9, 2279191383), (21, 976796307), (27, 759730461), (53, 387032499), (63, 325598769), (81, 253243487), (159, 129010833), (189, 108532923), (371, 55290357), (477, 43003611), (567, 36177641), (1113, 18430119), (1431, 14334537), (3339, 6143373), (4293, 4778179), (10017, 2047791), (30051, 682597)]