20048105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 31420224

約数和(自身を除く): 11372119

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 173, 215, 245, 301, 385, 473, 539, 865, 1211, 1505, 1903, 2107, 2365, 2695, 3311, 6055, 7439, 8477, 9515, 10535, 13321, 16555, 23177, 37195, 42385, 52073, 66605, 81829, 93247, 115885, 260365, 364511, 409145, 466235, 572803, 1822555, 2864015, 4009621, 20048105]

約数ペア:

[(1, 20048105), (5, 4009621), (7, 2864015), (11, 1822555), (35, 572803), (43, 466235), (49, 409145), (55, 364511), (77, 260365), (173, 115885), (215, 93247), (245, 81829), (301, 66605), (385, 52073), (473, 42385), (539, 37195), (865, 23177), (1211, 16555), (1505, 13321), (1903, 10535), (2107, 9515), (2365, 8477), (2695, 7439), (3311, 6055)]