20238729

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9007}}^1$

素因数の和:9124

約数の個数: 16

約数和(自身を含む): 31131648

約数和(自身を除く): 10892919

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9007, 27021, 63049, 189147, 963749, 2891247, 6746243, 20238729]

約数ペア:

[(1, 20238729), (3, 6746243), (7, 2891247), (21, 963749), (107, 189147), (321, 63049), (749, 27021), (2247, 9007)]