20512954938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1\times {\mathrm{29209}}^1$

素因数の和:29971

約数の個数: 64

約数和(自身を含む): 48994283520

約数和(自身を除く): 28481328582

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 727, 966, 1454, 2181, 4362, 5089, 10178, 15267, 16721, 29209, 30534, 33442, 50163, 58418, 87627, 100326, 117047, 175254, 204463, 234094, 351141, 408926, 613389, 671807, 702282, 1226778, 1343614, 2015421, 4030842, 4702649, 9405298, 14107947, 21234943, 28215894, 42469886, 63704829, 127409658, 148644601, 297289202, 445933803, 488403689, 891867606, 976807378, 1465211067, 2930422134, 3418825823, 6837651646, 10256477469, 20512954938]

約数ペア:

[(1, 20512954938), (2, 10256477469), (3, 6837651646), (6, 3418825823), (7, 2930422134), (14, 1465211067), (21, 976807378), (23, 891867606), (42, 488403689), (46, 445933803), (69, 297289202), (138, 148644601), (161, 127409658), (322, 63704829), (483, 42469886), (727, 28215894), (966, 21234943), (1454, 14107947), (2181, 9405298), (4362, 4702649), (5089, 4030842), (10178, 2015421), (15267, 1343614), (16721, 1226778), (29209, 702282), (30534, 671807), (33442, 613389), (50163, 408926), (58418, 351141), (87627, 234094), (100326, 204463), (117047, 175254)]