20804557672

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1\times {\mathrm{1433}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 40296145680

約数和(自身を除く): 19491588008

約数列:

[1, 2, 4, 8, 53, 97, 106, 194, 212, 353, 388, 424, 706, 776, 1412, 1433, 2824, 2866, 5141, 5732, 10282, 11464, 18709, 20564, 34241, 37418, 41128, 68482, 74836, 75949, 136964, 139001, 149672, 151898, 273928, 278002, 303796, 505849, 556004, 607592, 1011698, 1112008, 1814773, 2023396, 3629546, 4046792, 7259092, 7367053, 14518184, 14734106, 26809997, 29468212, 49067353, 53619994, 58936424, 98134706, 107239988, 196269412, 214479976, 392538824, 2600569709, 5201139418, 10402278836, 20804557672]

約数ペア:

[(1, 20804557672), (2, 10402278836), (4, 5201139418), (8, 2600569709), (53, 392538824), (97, 214479976), (106, 196269412), (194, 107239988), (212, 98134706), (353, 58936424), (388, 53619994), (424, 49067353), (706, 29468212), (776, 26809997), (1412, 14734106), (1433, 14518184), (2824, 7367053), (2866, 7259092), (5141, 4046792), (5732, 3629546), (10282, 2023396), (11464, 1814773), (18709, 1112008), (20564, 1011698), (34241, 607592), (37418, 556004), (41128, 505849), (68482, 303796), (74836, 278002), (75949, 273928), (136964, 151898), (139001, 149672)]