20104108983

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{18757}}^1$

素因数の和:18933

約数の個数: 64

約数和(自身を含む): 35006929920

約数和(自身を除く): 14902820937

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 107, 159, 189, 321, 371, 477, 749, 963, 1113, 1431, 2247, 2889, 3339, 5671, 6741, 10017, 17013, 18757, 20223, 39697, 51039, 56271, 119091, 131299, 153117, 168813, 357273, 393897, 506439, 994121, 1071819, 1181691, 2006999, 2982363, 3545073, 6020997, 6958847, 8947089, 14048993, 18062991, 20876541, 26841267, 42146979, 54188973, 62629623, 106370947, 126440937, 187888869, 319112841, 379322811, 744596629, 957338523, 2233789887, 2872015569, 6701369661, 20104108983]

約数ペア:

[(1, 20104108983), (3, 6701369661), (7, 2872015569), (9, 2233789887), (21, 957338523), (27, 744596629), (53, 379322811), (63, 319112841), (107, 187888869), (159, 126440937), (189, 106370947), (321, 62629623), (371, 54188973), (477, 42146979), (749, 26841267), (963, 20876541), (1113, 18062991), (1431, 14048993), (2247, 8947089), (2889, 6958847), (3339, 6020997), (5671, 3545073), (6741, 2982363), (10017, 2006999), (17013, 1181691), (18757, 1071819), (20223, 994121), (39697, 506439), (51039, 393897), (56271, 357273), (119091, 168813), (131299, 153117)]