20653474

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4041

約数の個数: 16

約数和(自身を含む): 32273856

約数和(自身を除く): 11620382

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3931, 5254, 7862, 145447, 279101, 290894, 558202, 10326737, 20653474]

約数ペア:

[(1, 20653474), (2, 10326737), (37, 558202), (71, 290894), (74, 279101), (142, 145447), (2627, 7862), (3931, 5254)]