20032821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 30667520

約数和(自身を除く): 10634699

約数列:

[1, 3, 9, 19, 57, 171, 193, 579, 607, 1737, 1821, 3667, 5463, 11001, 11533, 33003, 34599, 103797, 117151, 351453, 1054359, 2225869, 6677607, 20032821]

約数ペア:

[(1, 20032821), (3, 6677607), (9, 2225869), (19, 1054359), (57, 351453), (171, 117151), (193, 103797), (579, 34599), (607, 33003), (1737, 11533), (1821, 11001), (3667, 5463)]