20199571

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 3508589

約数列:

[1, 7, 71, 97, 419, 497, 679, 2933, 6887, 29749, 40643, 48209, 208243, 284501, 2885653, 20199571]

約数ペア:

[(1, 20199571), (7, 2885653), (71, 284501), (97, 208243), (419, 48209), (497, 40643), (679, 29749), (2933, 6887)]