20085588

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{991}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 50913408

約数和(自身を除く): 30827820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 991, 1126, 1689, 1982, 2252, 2973, 3378, 3964, 5067, 5946, 6756, 8919, 10134, 11892, 17838, 20268, 35676, 557933, 1115866, 1673799, 2231732, 3347598, 5021397, 6695196, 10042794, 20085588]

約数ペア:

[(1, 20085588), (2, 10042794), (3, 6695196), (4, 5021397), (6, 3347598), (9, 2231732), (12, 1673799), (18, 1115866), (36, 557933), (563, 35676), (991, 20268), (1126, 17838), (1689, 11892), (1982, 10134), (2252, 8919), (2973, 6756), (3378, 5946), (3964, 5067)]