20656878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 46698960

約数和(自身を除く): 26042082

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 121, 222, 242, 363, 407, 726, 769, 814, 1221, 1538, 2307, 2442, 4477, 4614, 8459, 8954, 13431, 16918, 25377, 26862, 28453, 50754, 56906, 85359, 93049, 170718, 186098, 279147, 312983, 558294, 625966, 938949, 1877898, 3442813, 6885626, 10328439, 20656878]

約数ペア:

[(1, 20656878), (2, 10328439), (3, 6885626), (6, 3442813), (11, 1877898), (22, 938949), (33, 625966), (37, 558294), (66, 312983), (74, 279147), (111, 186098), (121, 170718), (222, 93049), (242, 85359), (363, 56906), (407, 50754), (726, 28453), (769, 26862), (814, 25377), (1221, 16918), (1538, 13431), (2307, 8954), (2442, 8459), (4477, 4614)]