20087277

素因数分解:

$3^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1699}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 30681600

約数和(自身を除く): 10594323

約数列:

[1, 3, 7, 21, 563, 1689, 1699, 3941, 5097, 11823, 11893, 35679, 956537, 2869611, 6695759, 20087277]

約数ペア:

[(1, 20087277), (3, 6695759), (7, 2869611), (21, 956537), (563, 35679), (1689, 11893), (1699, 11823), (3941, 5097)]