20049981

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8923}}^1$

素因数の和:9040

約数の個数: 16

約数和(自身を含む): 30841344

約数和(自身を除く): 10791363

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 8923, 26769, 62461, 187383, 954761, 2864283, 6683327, 20049981]

約数ペア:

[(1, 20049981), (3, 6683327), (7, 2864283), (21, 954761), (107, 187383), (321, 62461), (749, 26769), (2247, 8923)]