20447006

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 31269888

約数和(自身を除く): 10822882

約数列:

[1, 2, 71, 142, 311, 463, 622, 926, 22081, 32873, 44162, 65746, 143993, 287986, 10223503, 20447006]

約数ペア:

[(1, 20447006), (2, 10223503), (71, 287986), (142, 143993), (311, 65746), (463, 44162), (622, 32873), (926, 22081)]