20496879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 32061120

約数和(自身を除く): 11564241

約数列:

[1, 3, 9, 13, 39, 117, 239, 717, 733, 2151, 2199, 3107, 6597, 9321, 9529, 27963, 28587, 85761, 175187, 525561, 1576683, 2277431, 6832293, 20496879]

約数ペア:

[(1, 20496879), (3, 6832293), (9, 2277431), (13, 1576683), (39, 525561), (117, 175187), (239, 85761), (717, 28587), (733, 27963), (2151, 9529), (2199, 9321), (3107, 6597)]