20943078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268501}}^1$

素因数の和:268519

約数の個数: 16

約数和(自身を含む): 45108336

約数和(自身を除く): 24165258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268501, 537002, 805503, 1611006, 3490513, 6981026, 10471539, 20943078]

約数ペア:

[(1, 20943078), (2, 10471539), (3, 6981026), (6, 3490513), (13, 1611006), (26, 805503), (39, 537002), (78, 268501)]