20806596

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1601}}^1$

素因数の和:1649

約数の個数: 54

約数和(自身を含む): 55542942

約数和(自身を除く): 34736346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1601, 2166, 3202, 3249, 4332, 4803, 6404, 6498, 9606, 12996, 14409, 19212, 28818, 30419, 57636, 60838, 91257, 121676, 182514, 273771, 365028, 547542, 577961, 1095084, 1155922, 1733883, 2311844, 3467766, 5201649, 6935532, 10403298, 20806596]

約数ペア:

[(1, 20806596), (2, 10403298), (3, 6935532), (4, 5201649), (6, 3467766), (9, 2311844), (12, 1733883), (18, 1155922), (19, 1095084), (36, 577961), (38, 547542), (57, 365028), (76, 273771), (114, 182514), (171, 121676), (228, 91257), (342, 60838), (361, 57636), (684, 30419), (722, 28818), (1083, 19212), (1444, 14409), (1601, 12996), (2166, 9606), (3202, 6498), (3249, 6404), (4332, 4803)]