20890827

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32693}}^1$

素因数の和:32770

約数の個数: 12

約数和(自身を含む): 30601584

約数和(自身を除く): 9710757

約数列:

[1, 3, 9, 71, 213, 639, 32693, 98079, 294237, 2321203, 6963609, 20890827]

約数ペア:

[(1, 20890827), (3, 6963609), (9, 2321203), (71, 294237), (213, 98079), (639, 32693)]