20604208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67777}}^1$

素因数の和:67804

約数の個数: 20

約数和(自身を含む): 42022360

約数和(自身を除く): 21418152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67777, 135554, 271108, 542216, 1084432, 1287763, 2575526, 5151052, 10302104, 20604208]

約数ペア:

[(1, 20604208), (2, 10302104), (4, 5151052), (8, 2575526), (16, 1287763), (19, 1084432), (38, 542216), (76, 271108), (152, 135554), (304, 67777)]