20120221157

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1\times {\mathrm{34807}}^1$

素因数の和:35780

約数の個数: 16

約数和(自身を含む): 21903978240

約数和(自身を除く): 1783757083

約数列:

[1, 17, 37, 629, 919, 15623, 34003, 34807, 578051, 591719, 1287859, 21893603, 31987633, 543789761, 1183542421, 20120221157]

約数ペア:

[(1, 20120221157), (17, 1183542421), (37, 543789761), (629, 31987633), (919, 21893603), (15623, 1287859), (34003, 591719), (34807, 578051)]