20512686909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{2089}}^1$

素因数の和:2650

約数の個数: 64

約数和(自身を含む): 32898539520

約数和(自身を除く): 12385852611

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 487, 517, 611, 1461, 1551, 1833, 2089, 5357, 6267, 6331, 6721, 16071, 18993, 20163, 22889, 22979, 27157, 68667, 68937, 69641, 81471, 98183, 208923, 251779, 294549, 297557, 298727, 755337, 892671, 896181, 1017343, 1080013, 1276379, 3052029, 3240039, 3273127, 3829137, 9819381, 11190773, 13225459, 14040169, 33572319, 39676377, 42120507, 47815121, 143445363, 145480049, 436440147, 525966331, 621596573, 1577898993, 1864789719, 6837562303, 20512686909]

約数ペア:

[(1, 20512686909), (3, 6837562303), (11, 1864789719), (13, 1577898993), (33, 621596573), (39, 525966331), (47, 436440147), (141, 145480049), (143, 143445363), (429, 47815121), (487, 42120507), (517, 39676377), (611, 33572319), (1461, 14040169), (1551, 13225459), (1833, 11190773), (2089, 9819381), (5357, 3829137), (6267, 3273127), (6331, 3240039), (6721, 3052029), (16071, 1276379), (18993, 1080013), (20163, 1017343), (22889, 896181), (22979, 892671), (27157, 755337), (68667, 298727), (68937, 297557), (69641, 294549), (81471, 251779), (98183, 208923)]