20139912

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21517}}^1$

素因数の和:21542

約数の個数: 48

約数和(自身を含む): 58744140

約数和(自身を除く): 38604228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21517, 43034, 64551, 86068, 129102, 172136, 193653, 258204, 279721, 387306, 516408, 559442, 774612, 839163, 1118884, 1549224, 1678326, 2237768, 2517489, 3356652, 5034978, 6713304, 10069956, 20139912]

約数ペア:

[(1, 20139912), (2, 10069956), (3, 6713304), (4, 5034978), (6, 3356652), (8, 2517489), (9, 2237768), (12, 1678326), (13, 1549224), (18, 1118884), (24, 839163), (26, 774612), (36, 559442), (39, 516408), (52, 387306), (72, 279721), (78, 258204), (104, 193653), (117, 172136), (156, 129102), (234, 86068), (312, 64551), (468, 43034), (936, 21517)]