20830040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6763}}^1$

素因数の和:6792

約数の個数: 64

約数和(自身を含む): 58440960

約数和(自身を除く): 37610920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6763, 13526, 27052, 33815, 47341, 54104, 67630, 74393, 94682, 135260, 148786, 189364, 236705, 270520, 297572, 371965, 378728, 473410, 520751, 595144, 743930, 946820, 1041502, 1487860, 1893640, 2083004, 2603755, 2975720, 4166008, 5207510, 10415020, 20830040]

約数ペア:

[(1, 20830040), (2, 10415020), (4, 5207510), (5, 4166008), (7, 2975720), (8, 2603755), (10, 2083004), (11, 1893640), (14, 1487860), (20, 1041502), (22, 946820), (28, 743930), (35, 595144), (40, 520751), (44, 473410), (55, 378728), (56, 371965), (70, 297572), (77, 270520), (88, 236705), (110, 189364), (140, 148786), (154, 135260), (220, 94682), (280, 74393), (308, 67630), (385, 54104), (440, 47341), (616, 33815), (770, 27052), (1540, 13526), (3080, 6763)]