20690073

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1427}}^1$

素因数の和:1618

約数の個数: 20

約数和(自身を含む): 31101840

約数和(自身を除く): 10411767

約数列:

[1, 3, 9, 27, 81, 179, 537, 1427, 1611, 4281, 4833, 12843, 14499, 38529, 115587, 255433, 766299, 2298897, 6896691, 20690073]

約数ペア:

[(1, 20690073), (3, 6896691), (9, 2298897), (27, 766299), (81, 255433), (179, 115587), (537, 38529), (1427, 14499), (1611, 12843), (4281, 4833)]