20348031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 14488449

約数列:

[1, 3, 11, 17, 19, 23, 33, 51, 57, 69, 83, 187, 209, 249, 253, 323, 391, 437, 561, 627, 759, 913, 969, 1173, 1311, 1411, 1577, 1909, 2739, 3553, 4233, 4301, 4731, 4807, 5727, 7429, 10659, 12903, 14421, 15521, 17347, 20999, 22287, 26809, 32453, 36271, 46563, 52041, 62997, 80427, 81719, 97359, 108813, 245157, 294899, 356983, 398981, 616607, 884697, 1070949, 1196943, 1849821, 6782677, 20348031]

約数ペア:

[(1, 20348031), (3, 6782677), (11, 1849821), (17, 1196943), (19, 1070949), (23, 884697), (33, 616607), (51, 398981), (57, 356983), (69, 294899), (83, 245157), (187, 108813), (209, 97359), (249, 81719), (253, 80427), (323, 62997), (391, 52041), (437, 46563), (561, 36271), (627, 32453), (759, 26809), (913, 22287), (969, 20999), (1173, 17347), (1311, 15521), (1411, 14421), (1577, 12903), (1909, 10659), (2739, 7429), (3553, 5727), (4233, 4807), (4301, 4731)]