20419376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67169}}^1$

素因数の和:67196

約数の個数: 20

約数和(自身を含む): 41645400

約数和(自身を除く): 21226024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67169, 134338, 268676, 537352, 1074704, 1276211, 2552422, 5104844, 10209688, 20419376]

約数ペア:

[(1, 20419376), (2, 10209688), (4, 5104844), (8, 2552422), (16, 1276211), (19, 1074704), (38, 537352), (76, 268676), (152, 134338), (304, 67169)]