20792295080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{374771}}^1$

素因数の和:374874

約数の個数: 64

約数和(自身を含む): 49919630400

約数和(自身を除く): 29127335320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2774, 2920, 5548, 6935, 11096, 13870, 27740, 55480, 374771, 749542, 1499084, 1873855, 2998168, 3747710, 7120649, 7495420, 14241298, 14990840, 27358283, 28482596, 35603245, 54716566, 56965192, 71206490, 109433132, 136791415, 142412980, 218866264, 273582830, 284825960, 519807377, 547165660, 1039614754, 1094331320, 2079229508, 2599036885, 4158459016, 5198073770, 10396147540, 20792295080]

約数ペア:

[(1, 20792295080), (2, 10396147540), (4, 5198073770), (5, 4158459016), (8, 2599036885), (10, 2079229508), (19, 1094331320), (20, 1039614754), (38, 547165660), (40, 519807377), (73, 284825960), (76, 273582830), (95, 218866264), (146, 142412980), (152, 136791415), (190, 109433132), (292, 71206490), (365, 56965192), (380, 54716566), (584, 35603245), (730, 28482596), (760, 27358283), (1387, 14990840), (1460, 14241298), (2774, 7495420), (2920, 7120649), (5548, 3747710), (6935, 2998168), (11096, 1873855), (13870, 1499084), (27740, 749542), (55480, 374771)]