20301538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4993}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 32361120

約数和(自身を除く): 12059582

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4993, 9986, 94867, 189734, 534251, 1068502, 10150769, 20301538]

約数ペア:

[(1, 20301538), (2, 10150769), (19, 1068502), (38, 534251), (107, 189734), (214, 94867), (2033, 9986), (4066, 4993)]