19960856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{463}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 39839040

約数和(自身を除く): 19878184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 317, 463, 634, 926, 1268, 1852, 2536, 3704, 5389, 7871, 10778, 15742, 21556, 31484, 43112, 62968, 146771, 293542, 587084, 1174168, 2495107, 4990214, 9980428, 19960856]

約数ペア:

[(1, 19960856), (2, 9980428), (4, 4990214), (8, 2495107), (17, 1174168), (34, 587084), (68, 293542), (136, 146771), (317, 62968), (463, 43112), (634, 31484), (926, 21556), (1268, 15742), (1852, 10778), (2536, 7871), (3704, 5389)]