20936829

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1489}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 28846400

約数和(自身を除く): 7909571

約数列:

[1, 3, 43, 109, 129, 327, 1489, 4467, 4687, 14061, 64027, 162301, 192081, 486903, 6978943, 20936829]

約数ペア:

[(1, 20936829), (3, 6978943), (43, 486903), (109, 192081), (129, 162301), (327, 64027), (1489, 14061), (4467, 4687)]