20207196

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{997}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 51221352

約数和(自身を除く): 31014156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 997, 1126, 1689, 1994, 2252, 2991, 3378, 3988, 5067, 5982, 6756, 8973, 10134, 11964, 17946, 20268, 35892, 561311, 1122622, 1683933, 2245244, 3367866, 5051799, 6735732, 10103598, 20207196]

約数ペア:

[(1, 20207196), (2, 10103598), (3, 6735732), (4, 5051799), (6, 3367866), (9, 2245244), (12, 1683933), (18, 1122622), (36, 561311), (563, 35892), (997, 20268), (1126, 17946), (1689, 11964), (1994, 10134), (2252, 8973), (2991, 6756), (3378, 5982), (3988, 5067)]