20213365519

素因数分解:

${\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{296249}}^1$

素因数の和:296382

約数の個数: 12

約数和(自身を含む): 21180690000

約数和(自身を除く): 967324481

約数列:

[1, 31, 71, 961, 2201, 68231, 296249, 9183719, 21033679, 284695289, 652044049, 20213365519]

約数ペア:

[(1, 20213365519), (31, 652044049), (71, 284695289), (961, 21033679), (2201, 9183719), (68231, 296249)]