20173337880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{168617}}^1$

素因数の和:169628

約数の個数: 64

約数和(自身を含む): 60581075040

約数和(自身を除く): 40407737160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1994, 2991, 3988, 4985, 5982, 7976, 9970, 11964, 14955, 19940, 23928, 29910, 39880, 59820, 119640, 168617, 337234, 505851, 674468, 843085, 1011702, 1348936, 1686170, 2023404, 2529255, 3372340, 4046808, 5058510, 6744680, 10117020, 20234040, 168111149, 336222298, 504333447, 672444596, 840555745, 1008666894, 1344889192, 1681111490, 2017333788, 2521667235, 3362222980, 4034667576, 5043334470, 6724445960, 10086668940, 20173337880]

約数ペア:

[(1, 20173337880), (2, 10086668940), (3, 6724445960), (4, 5043334470), (5, 4034667576), (6, 3362222980), (8, 2521667235), (10, 2017333788), (12, 1681111490), (15, 1344889192), (20, 1008666894), (24, 840555745), (30, 672444596), (40, 504333447), (60, 336222298), (120, 168111149), (997, 20234040), (1994, 10117020), (2991, 6744680), (3988, 5058510), (4985, 4046808), (5982, 3372340), (7976, 2529255), (9970, 2023404), (11964, 1686170), (14955, 1348936), (19940, 1011702), (23928, 843085), (29910, 674468), (39880, 505851), (59820, 337234), (119640, 168617)]