20453751

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32009}}^1$

素因数の和:32086

約数の個数: 12

約数和(自身を含む): 29961360

約数和(自身を除く): 9507609

約数列:

[1, 3, 9, 71, 213, 639, 32009, 96027, 288081, 2272639, 6817917, 20453751]

約数ペア:

[(1, 20453751), (3, 6817917), (9, 2272639), (71, 288081), (213, 96027), (639, 32009)]