20138521599

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{51817}}^1$

素因数の和:52060

約数の個数: 48

約数和(自身を含む): 34490060800

約数和(自身を除く): 14351539201

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 199, 217, 279, 597, 651, 1393, 1791, 1953, 4179, 6169, 12537, 18507, 43183, 51817, 55521, 129549, 155451, 362719, 388647, 466353, 1088157, 1606327, 3264471, 4818981, 10311583, 11244289, 14456943, 30934749, 33732867, 72181081, 92804247, 101198601, 216543243, 319659073, 649629729, 958977219, 2237613511, 2876931657, 6712840533, 20138521599]

約数ペア:

[(1, 20138521599), (3, 6712840533), (7, 2876931657), (9, 2237613511), (21, 958977219), (31, 649629729), (63, 319659073), (93, 216543243), (199, 101198601), (217, 92804247), (279, 72181081), (597, 33732867), (651, 30934749), (1393, 14456943), (1791, 11244289), (1953, 10311583), (4179, 4818981), (6169, 3264471), (12537, 1606327), (18507, 1088157), (43183, 466353), (51817, 388647), (55521, 362719), (129549, 155451)]