820078076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{10790501}}^1$

素因数の和:10790524

約数の個数: 12

約数和(自身を含む): 1510670280

約数和(自身を除く): 690592204

約数列:

[1, 2, 4, 19, 38, 76, 10790501, 21581002, 43162004, 205019519, 410039038, 820078076]

約数ペア:

[(1, 820078076), (2, 410039038), (4, 205019519), (19, 43162004), (38, 21581002), (76, 10790501)]