20545508739

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1759}}^1\times {\mathrm{1777}}^1$

素因数の和:3859

約数の個数: 32

約数和(自身を含む): 31443005440

約数和(自身を除く): 10897496701

約数列:

[1, 3, 7, 21, 313, 939, 1759, 1777, 2191, 5277, 5331, 6573, 12313, 12439, 36939, 37317, 550567, 556201, 1651701, 1668603, 3125743, 3853969, 3893407, 9377229, 11561907, 11680221, 21880201, 65640603, 978357559, 2935072677, 6848502913, 20545508739]

約数ペア:

[(1, 20545508739), (3, 6848502913), (7, 2935072677), (21, 978357559), (313, 65640603), (939, 21880201), (1759, 11680221), (1777, 11561907), (2191, 9377229), (5277, 3893407), (5331, 3853969), (6573, 3125743), (12313, 1668603), (12439, 1651701), (36939, 556201), (37317, 550567)]